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the stem matching is the same as how GIT does its branch hashes. i think you can stem it down to 2 or 3 sha bytes.

if a client sees someone in a yarn using a byte longer hash it can lengthen to match since it can assume that maybe the other client has a collision that it doesnt know about.

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the stem matching is the same as how GIT does its branch hashes. i think you can stem it down to 2 or 3 sha bytes.

if a client sees someone in a yarn using a byte longer hash it can lengthen to match since it can assume that maybe the other client has a collision that it doesnt know about.

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↳ In-reply-to » Taking the last n characters of a base32 encoded hash instead of the first n can be problematic for several reasons:

@prologic@twtxt.net

There’s a simple reason all the current hashes end in a or q: the hash is 256 bits, the base32 encoding chops that into groups of 5 bits, and 256 isn’t divisible by 5. The last character of the base32 encoding just has that left-over single bit (256 mod 5 = 1).

So I agree with #3 below, but do you have a source for #1, #2 or #4? I would expect any lack of variability in any part of a hash function’s output would make it more vulnerable to attacks, so designers of hash functions would want to make the whole output vary as much as possible.

Other than the divisible-by-5 thing, my current intuition is it doesn’t matter what part you take.

  1. Hash Structure: Hashes are typically designed so that their outputs have specific statistical properties. The first few characters often have more entropy or variability, meaning they are less likely to have patterns. The last characters may not maintain this randomness, especially if the encoding method has a tendency to produce less varied endings.

  2. Collision Resistance: When using hashes, the goal is to minimize the risk of collisions (different inputs producing the same output). By using the first few characters, you leverage the full distribution of the hash. The last characters may not distribute in the same way, potentially increasing the likelihood of collisions.

  3. Encoding Characteristics: Base32 encoding has a specific structure and padding that might influence the last characters more than the first. If the data being hashed is similar, the last characters may be more similar across different hashes.

  4. Use Cases: In many applications (like generating unique identifiers), the beginning of the hash is often the most informative and varied. Relying on the end might reduce the uniqueness of generated identifiers, especially if a prefix has a specific context or meaning.

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Taking the last n characters of a base32 encoded hash instead of the first n can be problematic for several reasons:

  1. Hash Structure: Hashes are typically designed so that their outputs have specific statistical properties. The first few characters often have more entropy or variability, meaning they are less likely to have patterns. The last characters may not maintain this randomness, especially if the encoding method has a tendency to produce less varied endings.

  2. Collision Resistance: When using hashes, the goal is to minimize the risk of collisions (different inputs producing the same output). By using the first few characters, you leverage the full distribution of the hash. The last characters may not distribute in the same way, potentially increasing the likelihood of collisions.

  3. Encoding Characteristics: Base32 encoding has a specific structure and padding that might influence the last characters more than the first. If the data being hashed is similar, the last characters may be more similar across different hashes.

  4. Use Cases: In many applications (like generating unique identifiers), the beginning of the hash is often the most informative and varied. Relying on the end might reduce the uniqueness of generated identifiers, especially if a prefix has a specific context or meaning.

In summary, using the first n characters generally preserves the intended randomness and collision resistance of the hash, making it a safer choice in most cases.

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↳ In-reply-to » Could someone knowledgable reply with the steps a grandpa will take to calculate the hash of a twtxt from the CLI, using out-of-the-box tools? I swear I read about it somewhere, but can't find it.

@prologic@twtxt.net I saw those, yes. I tried using yarnc, and it would work for a simple twtxt. Now, for a more convoluted one it truly becomes a nightmare using that tool for the job. I know there are talks about changing this hash, so this might be a moot point right now, but it would be nice to have a tool that:

  1. Would calculate the hash of a twtxt in a file.
  2. Would calculate all hashes on a twtxt.txt (local and remote).

Again, something lovely to have after any looming changes occur.

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↳ In-reply-to » @quark At the moment, the twt in question exists in the sixth archive:

@movq@www.uninformativ.de I didn’t run the command as you recommended, but, I wiped things once more, and ran jenny -f, and this time got:

david@arrakis:~$ jenny -f
Fetching archived feed https://anthony.buc.ci/user/abucci/twtxt.txt/1 (configured as abucci, https://anthony.buc.ci/user/abucci/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2024-04.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://darch.dk/twtxt-archive.txt (configured as soren, https://darch.dk/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2024-04-21_6v47cua.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://twtxt.net/user/prologic/twtxt.txt/1 (configured as prologic, https://twtxt.net/user/prologic/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2024-03.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2022-12-21_2us6qbq.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://twtxt.net/user/prologic/twtxt.txt/2 (configured as prologic, https://twtxt.net/user/prologic/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2024-02.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2022-01-14_ew5gzca.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://twtxt.net/user/prologic/twtxt.txt/3 (configured as prologic, https://twtxt.net/user/prologic/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2024-01.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-12-23_f6y65bq.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://twtxt.net/user/prologic/twtxt.txt/4 (configured as prologic, https://twtxt.net/user/prologic/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-12.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-12-04_e4x7yba.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://twtxt.net/user/prologic/twtxt.txt/5 (configured as prologic, https://twtxt.net/user/prologic/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-11.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-11-18_42tjxba.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://twtxt.net/user/prologic/twtxt.txt/6 (configured as prologic, https://twtxt.net/user/prologic/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-10.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-11-08_i2wnvaa.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-09.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-10-23_kvwn5oa.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-08.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-10-11_mljudaa.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-07.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-09-22_5mkqwua.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-06.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-07-27_xcnzmlq.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-05.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-06-16_mtedqya.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-04.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-04-29_z7lvzja.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-03.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-03-19_xjabvhq.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-02.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-02-24_te4a6oa.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2023-01.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2021-01-26_qxgigma.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-12.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://www.uninformativ.de/twtxt-old_2020-12-13_igfnala.txt (configured as movq, https://www.uninformativ.de/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-11.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-10.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-09.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-08.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-07.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-06.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-05.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-04.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-03.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-02.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2022-01.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-12.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-11.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-10.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-09.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-08.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-07.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-06.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-05.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-04.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-03.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-02.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2021-01.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)
Fetching archived feed https://lyse.isobeef.org/twtxt-2020-12.txt (configured as lyse, https://lyse.isobeef.org/twtxt.txt)

Notice that @prologic@twtxt.net’s /6 is there. I found the twtxt then. Kind of odd it didn’t show before.

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↳ In-reply-to » Something odd just happened to my twtxt timeline... A bunch of twts dissapered, others were marked to be deleted in mutt. so I nuked my whole twtxt Maildir and deleted my ~/.cache/jenny in order to start with a fresh Pull. I pulled feed as usual. Now like HALF the twts aren't there 😂 even my my last replay. WTF IS GOING ON? 🤣🤣🤣

More:

Subject: The [tag URI scheme](https://en.wikipedia.org/wiki/Tag_URI_scheme) looks interesting. I like that it human read- and writable. And since we already got the timestamp in the twtxt.txt it would be
        somewhat trivial to parse. But there are still the issue with what the name/id should be... Maybe it doesn't have to bee that stick? Instead of using `tag:` as the prefix/protocol, it would more it clear
        what we are talking about by using `in-reply-to:` (https://indieweb.org/in-reply-to) or `replyto:` similar to `mailto:` 1. `(reply:sorenpeter@darch.dk,2024-09-15T12:06:27Z)' 2.
        `(in-reply-to:darch.dk/twtxt.txt,2024-09-15T12:06:27Z)' 2. `(replyto:http://darch.dk/twtxt.txt,2024-09-15T12:06:27Z)' I know it's longer that 7-11 characters, but it's self-explaining when looking at the
        twtxt.txt in the raw, and the cases above can all be caught with this regex: `\([\w-]*reply[\w-]*\:` Is this something that would work?
Subject: The [tag URI scheme](https://en.wikipedia.org/wiki/Tag_URI_scheme) looks interesting. I like that it human read- and writable. And since we already got the timestamp in the twtxt.txt it would be
        somewhat trivial to parse. But there are still the issue with what the name/id should be... Maybe it doesn't have to bee that stick? Instead of using `tag:` as the prefix/protocol, it would more it clear
        what we are talking about by using `in-reply-to:` (https://indieweb.org/in-reply-to) or `replyto:` similar to `mailto:` 1. `(reply:sorenpeter@darch.dk,2024-09-15T12:06:27Z)` 2.
        `(in-reply-to:darch.dk/twtxt.txt,2024-09-15T12:06:27Z)` 3. `(replyto:http://darch.dk/twtxt.txt,2024-09-15T12:06:27Z)` I know it's longer that 7-11 characters, but it's self-explaining when looking at the
        twtxt.txt in the raw, and the cases above can all be caught with this regex: `\([\w-]*reply[\w-]*\:` Is this something that would work?

Notice the difference? Soren edited, and broke everything.

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↳ In-reply-to » The tag URI scheme looks interesting. I like that it human read- and writable. And since we already got the timestamp in the twtxt.txt it would be somewhat trivial to parse. But there are still the issue with what the name/id should be... Maybe it doesn't have to bee that stick?

@mckinley@twtxt.net Thanks for the feedback.

  1. Yeah I agrees that nick sound not be part of syntax. Any valid URL to a twtxt.txt-file should be enough and is more clear, so it is not confused with a email (one of the the issues with webfinger and fedivese handles)
  2. I think any valid URL would work, since we are not bound to look for exact matches. Accepting both http and https as well as a gemni and gophe could all work as long as the path to the twtxt.txt is the same.
  3. My idea is that you quote the timestamp as it is in the original twtxt.txt that you are referring to, so you can do it by simply copy/pasting. Also what are the change that the same human will make two different posts within the same second?!

Regarding the whole cryptographic keys for identity, to me it seems like an unnecessary layer of complexity. If you move to a new house or city you tell people that you moved - you can do the same in a twtxt.txt. Just post something like “I move to this new URL, please follow me there!” I did that with my feeds at least twice, and you guys still seem to read my posts:)

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↳ In-reply-to » @prologic Some criticisms and a possible alternative direction:

The tag URI scheme looks interesting. I like that it human read- and writable. And since we already got the timestamp in the twtxt.txt it would be somewhat trivial to parse. But there are still the issue with what the name/id should be… Maybe it doesn’t have to bee that stick?

Instead of using tag: as the prefix/protocol, it would more it clear what we are talking about by using in-reply-to: (https://indieweb.org/in-reply-to) or replyto: similar to mailto:

  1. (reply:sorenpeter@darch.dk,2024-09-15T12:06:27Z)
  2. (in-reply-to:darch.dk/twtxt.txt,2024-09-15T12:06:27Z)
  3. (replyto:http://darch.dk/twtxt.txt,2024-09-15T12:06:27Z)

I know it’s longer that 7-11 characters, but it’s self-explaining when looking at the twtxt.txt in the raw, and the cases above can all be caught with this regex: \([\w-]*reply[\w-]*\:

Is this something that would work?

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↳ In-reply-to » @falsifian In my opinion it was a mistake that we defined the first url field in the feed to define the URL for hashing. It should have been the last encountered one. Then, assuming append-style feeds, you could override the old URL with a new one from a certain point on:

I was not suggesting to that everyone need to setup a working webfinger endpoint, but that we take the format of nick+(sub)domain as base for generating the hashed together with the message date and content.

If we omit the protocol prefix from the way we do things now will that not solve most of the problems? In the case of gemini://gemini.ctrl-c.club/~nristen/twtxt.txt they also have a working twtxt.txt at https://ctrl-c.club/~nristen/twtxt.txt … damn I just notice the gemini. subdomain.

Okay what about defining a prefers protocol as part of the hash schema? so 1: https , 2: http 3: gemini 4: gopher ?

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Asus X7433RE-IM-A is a 3.5″ Single Board Computer with Intel Atom X7433RE Processor
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Interesting.. QUIC isn’t very quick over fast internet.

QUIC is expected to be a game-changer in improving web application performance. In this paper, we conduct a systematic examination of QUIC’s performance over high-speed networks. We find that over fast Internet, the UDP+QUIC+HTTP/3 stack suffers a data rate reduction of up to 45.2% compared to the TCP+TLS+HTTP/2 counterpart. Moreover, the performance gap between QUIC and HTTP/2 grows as the underlying bandwidth increases. We observe this issue on lightweight data transfer clients and major web browsers (Chrome, Edge, Firefox, Opera), on different hosts (desktop, mobile), and over diverse networks (wired broadband, cellular). It affects not only file transfers, but also various applications such as video streaming (up to 9.8% video bitrate reduction) and web browsing. Through rigorous packet trace analysis and kernel- and user-space profiling, we identify the root cause to be high receiver-side processing overhead, in particular, excessive data packets and QUIC’s user-space ACKs. We make concrete recommendations for mitigating the observed performance issues.

https://dl.acm.org/doi/10.1145/3589334.3645323

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Interesting.. QUIC isn’t very quick over fast internet.

QUIC is expected to be a game-changer in improving web application performance. In this paper, we conduct a systematic examination of QUIC’s performance over high-speed networks. We find that over fast Internet, the UDP+QUIC+HTTP/3 stack suffers a data rate reduction of up to 45.2% compared to the TCP+TLS+HTTP/2 counterpart. Moreover, the performance gap between QUIC and HTTP/2 grows as the underlying bandwidth increases. We observe this issue on lightweight data transfer clients and major web browsers (Chrome, Edge, Firefox, Opera), on different hosts (desktop, mobile), and over diverse networks (wired broadband, cellular). It affects not only file transfers, but also various applications such as video streaming (up to 9.8% video bitrate reduction) and web browsing. Through rigorous packet trace analysis and kernel- and user-space profiling, we identify the root cause to be high receiver-side processing overhead, in particular, excessive data packets and QUIC’s user-space ACKs. We make concrete recommendations for mitigating the observed performance issues.

https://dl.acm.org/doi/10.1145/3589334.3645323

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_Note: MacRumors is an affiliate partner with Best Buy and Amazon. When you click a link and make … ⌘ Read more

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↳ In-reply-to » @prologic Some criticisms and a possible alternative direction:

@falsifian@www.falsifian.org In my opinion it was a mistake that we defined the first url field in the feed to define the URL for hashing. It should have been the last encountered one. Then, assuming append-style feeds, you could override the old URL with a new one from a certain point on:

# url = https://example.com/alias/txtxt.txt
# url = https://example.com/initial/twtxt.txt
<message 1 uses the initial URL>
<message 2 uses the initial URL, too>
# url = https://example.com/new/twtxt.txt
<message 3 uses the new URL>
# url = https://example.com/brand-new/twtxt.txt
<message 4 uses the brand new URL>

In theory, the same could be done for prepend-style feeds. They do exist, I’ve come around them. The parser would just have to calculate the hashes afterwards and not immediately.

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↳ In-reply-to » On the Subject of Feed Identities; I propose the following:

@prologic@twtxt.net Some criticisms and a possible alternative direction:

  1. Key rotation. I’m not a security person, but my understanding is that it’s good to be able to give keys an expiry date and replace them with new ones periodically.

  2. It makes maintaining a feed more complicated. Now instead of just needing to put a file on a web server (and scan the logs for user agents) I also need to do this. What brought me to twtxt was its radical simplicity.

Instead, maybe we should think about a way to allow old urls to be rotated out? Like, my metadata could somehow say that X used to be my primary URL, but going forward from date D onward my primary url is Y. (Or, if you really want to use public key cryptography, maybe something similar could be used for key rotation there.)

It’s nice that your scheme would add a way to verify the twts you download, but https is supposed to do that anyway. If you don’t trust https to do that (maybe you don’t like relying on root CAs?) then maybe your preferred solution should be reflected by your primary feed url. E.g. if you prefer the security offered by IPFS, then maybe an IPNS url would do the trick. The fact that feed locations are URLs gives some flexibility. (But then rotation is still an issue, if I understand ipns right.)

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On the Subject of Feed Identities; I propose the following:

  1. Generate a Private/Public ED25519 key pair
  2. Use this key pair to sign your Twtxt feed
  3. Use it as your feed’s identity in place of # url = as # key = ...

For example:

$ ssh-keygen -f prologic@twtxt.net
$ ssh-keygen -Y sign -n prologic@twtxt.net -f prologic@twtxt.net twtxt.txt

And your feed would looke like:

# nick        = prologic
# key         = SHA256:23OiSfuPC4zT0lVh1Y+XKh+KjP59brhZfxFHIYZkbZs
# sig         = twtxt.txt.sig
# prev        = j6bmlgq twtxt.txt/1
# avatar      = https://twtxt.net/user/prologic/avatar#gdoicerjkh3nynyxnxawwwkearr4qllkoevtwb3req4hojx5z43q
# description = "Problems are Solved by Method" 🇦🇺👨‍💻👨‍🦯🏹♔ 🏓⚯ 👨‍👩‍👧‍👧🛥 -- James Mills (operator of twtxt.net / creator of Yarn.social 🧶)

2024-06-14T18:22:17Z	(#nef6byq) @<bender https://twtxt.net/user/bender/twtxt.txt>  Hehe thanks! 😅 Still gotta sort out some other bugs, but that's tomorrows job 🤞
...

Twt Hash extension would change of course to use a feed’s ED25519 public key fingerprint.

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Developing an AI agent for smart contextual Q&A
Member post originally published on InfraCloud’s blog by Shreyas Mocherla Accelerated by the pandemic, online tech communities have grown rapidly. With new members joining every day, it’s tough to keep track of past conversations. Often, newcomers ask questions… ⌘ Read more

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Minisforum UM760 Slim Offers Dual M.2 PCIe 4.0 Slots and DDR5 Memory Support
The Minisforum UM760 Slim is a compact mini PC designed for a variety of computing needs. It features a silent cooling system and is built around the AMD Ryzen 5 7640HS processor, paired with an AMD Radeon 760M GPU, providing a balance of performance and power efficiency. As mentioned above, the Minisforum UM760 Slim is […] ⌘ Read more

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Beats Teases New Powerbeats Pro 2 Coming Next Year
Beats today teased that new Powerbeats Pro 2 are coming next year, but it did not share a specific release date for the wireless headphones.

Image

MLB superstar Shohei Ohtani can be seen wearing the Powerbeats Pro 2 in a clip shared on social media platforms like Instagram and X. They look similar to the existin … ⌘ Read more

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OrangePi RV SBC Gains JH7110 RISC-V Processor and PCIe 2.0 Interface
The OrangePi RV is a development board based on the open-source RISC-V architecture, designed to offer high performance with low power consumption. This single-board computer features a JH7110 quad-core RISC-V processor, an M.2 M-key 2280 PCIe slot for SSD expansion, and supports up to 8GB of RAM. The new Orange Pi board is equipped with […] ⌘ Read more

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ASUS IoT EBS-P300 Fanless Lightweight Box PC with 2.5GbE & 1GbE LAN ports
The ASUS IoT EBS-P300 is a compact, lightweight embedded computer designed for industrial applications. It features an Intel Celeron J6412 processor and is optimized for use in harsh environments, with reliable performance across a temperature range of -20°C to 60°C. The EBS-P300 supports up to 8GB of LPDDR4x-3733 RAM, providing capacity for running multiple applications. […] ⌘ Read more

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Chute de l’immobilier : dégâts d’une bulle
Un article de Henry Bonner Les Bourses autour du monde reprennent leur hausse, le marché a confiance dans les baisses de taux d’intérêt en vue par la Réserve fédérale. L’once d’or atteint un record à plus de 2.500 $. Le Bitcoin, de même, grimpe à 57.000 euros, il approche du record de 64.500 euros de […] ⌘ Read more

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Best iPad Labor Day Deal? $199 for iPad 9th Gen!
Amazon is blowing out the iPad 9th gen at a huge 40% discount, taking the price to just $199, down from the $329 MSRP. The 9th gen iPad features an A13 Bionic chip, a 10.2″ LCD Retina display, 64GB of storage, wi-fi, a 12MP front camera, 8MP rear camera, great battery life, and Touch ID … Read More ⌘ Read more

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MacOS Sequoia 15 Beta 8 Available to Download
Apple has released macOS Sequoia 15 beta 8 for users enrolled in the developer beta testing program. The same build matches macOS Sequoia public beta 6, which is also available. You will also find iOS 18 beta 8, iPadOS 18 beta 8, watchOS 11 beta 8, tvOS 18 beta 8, and visionOS 2 beta 8, … Read More ⌘ Read more

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Qualcomm RB3 Gen 2 Lite Vision Kit: Tailored for Enhanced AI Processing and Computer Vision
The newly launched Qualcomm RB3 Gen 2 Lite Vision Kit, powered by the Qualcomm QCS5430 processor, is engineered for high-performance computing. It supports a diverse array of IoT applications, from robotics and industrial handhelds to retail solutions, cameras, and drones. The kit is available in four feature packs, utilizing a 6 nm technology node. Feature […] ⌘ Read more

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QBiP-N97A: 3.5” SubCompact Embedded Motherboard with Intel Processor N97, DDR5 Memory, and SATA 6Gb/s Support
ICP Deutschland recently showcased the QBiP-N97A, a 3.5″ SubCompact Embedded Motherboard designed for various industrial applications, including automation systems and point-of-sale terminals. This motherboard features DDR5 memory support, dual 2.5GbE LAN ports, and SATA 6Gb/s support for storage. The QBiP-N97A is powered by the I … ⌘ Read more

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Building a translation agent on LlamaEdge
Member post originally published on Second State’s blog Prof. Andrew Ng’s agentic translation is a great demonstration on how to coordinate multiple LLM “agents” to work on a single task. It allows multiple smaller LLMs (like Llama-3 or Gemma-2) to… ⌘ Read more

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目前来看,智能家居的「理想态」是什么?中国品牌在智能家居上有了哪些突破和可能性?
能力有限,但很想来回答问题的前半部分。

我认为的智能家居理想态

1、让用户在0操作甚至0感知下,默默独立完成生活中的家居任务(一个案例为扫地机)。

2、让用户以最少的交互,最简单的方式,解决日常必要的生活行为(一个案例为智能锁)。

3、智能终端应具备思维能力,而不仅仅是等待主人的任务,唯命是从。

过去曾作为开发者参与过全套智能家居产品的硬件设计,小到86面板,大到中控主机,因此也参加过蛮多物联网和智能家居展会;之前的2-3年,我深入写过,过去10多年的智能家居主要解决了通信物联问题,虽然不再需要去机器上按下按钮或者通过遥控去操作,但本质上 智能家居的“智能”仅体现在了“远程控制+联动逻辑”,还是一个遥控器。

用家居中的 “垃圾桶” 作为案例来讨论

现在的智能垃圾桶,它有哪些智能化?

![](https://pic1.zhimg.com/v2-edb63c3 … ⌘ Read more

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Apple Releases New AirPods Pro 2 Beta Firmware With Support for iOS 18 Features
Apple today released a new firmware update for the AirPods Pro 2, including both the Lightning and USB-C versions. The firmware has a build number of 7A5290a, up from 7A5266c, and it is available to developers at the current time. This is the fourth firmware update that Apple has released since announcing new ‌AirPods Pro‌ 2 features in June.

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Milk-V RuyiBook Laptop Developed with XiangShan Nanhu RISC-V-based CPU
Milk-V has released preliminary specifications for the RuyiBook, a compact laptop built around the ‘XiangShan Nanhu’ CPU. The RuyiBook includes features such as dual 2.5 Gigabit Ethernet ports and an AMD RX 550 GPU for graphics. The XiangShan Nanhu CPU, also known as XiangShan-2 (RV64GCBK), is an open-source RISC-V processor capable of operating at speeds […] ⌘ Read more

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MacOS Sequoia 15 Beta 7 Available for Testing
The 7th beta version of macOS Sequoia 15 has been released for testing to those in the developer beta testing program. The same build is available to public beta testers as public beta 5. Additionally, iOS 18 beta 7, iPadOS 18 beta 7, watchOS 11 beta 7, tvOS 18 beta 7, and visionOS 2 beta … Read More ⌘ Read more

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Updated Version of iOS 17.6.1 & iPad 17.6.1 Released
Apple has re-released iOS 17.6.1 for iPhone and iPadOS 17.6.1 for iPad. The new build number is 21G101 for iOS 17.6.1, while the old build number was 21G93. It is unclear what is different about the new build, or why Apple didn’t label this update as iOS 17.6.2. Additionally, the new build is not listed … Read More ⌘ Read more

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MSI’s MS-C913 Fanless PC Compatible with Jetson Orin Nano & Orin NX Series
MSI recently introduced the MS-C913, a fanless box PC designed for compatibility with the latest NVIDIA Jetson modules, including the Orin Nano and Orin NX. Notable features of the MS-C913 include dual Gigabit Ethernet ports, a high-resolution HDMI output, and multiple M.2 slots for flexible expansion. The Orin Nano module comes in 4GB or 8GB […] ⌘ Read more

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↳ In-reply-to » Does anyone know what the differences between HTTP/1.1 HTTP/2 and HTTP/3 are? 🤔

HTTP/2 differs from 1.x by becoming a binary protocol, it also multiplexes multiple channels over the same connection and has the ability to prefetch related content to the browser to lower the perceived latency.

HTTP/3 moves the binary protocol from HTTP/2 over to QUIC which is based on UDP instead of TCP. This makes it better suited to mobile or unstable networks where handling of transmission errors can be handled at a higher level.

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↳ In-reply-to » Does anyone know what the differences between HTTP/1.1 HTTP/2 and HTTP/3 are? 🤔

HTTP/2 differs from 1.x by becoming a binary protocol, it also multiplexes multiple channels over the same connection and has the ability to prefetch related content to the browser to lower the perceived latency.

HTTP/3 moves the binary protocol from HTTP/2 over to QUIC which is based on UDP instead of TCP. This makes it better suited to mobile or unstable networks where handling of transmission errors can be handled at a higher level.

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Jetway JNUC-ADN1: NUC Board Featuring Intel N97 Processor and Dual 2.5GbE Ports
The JNUC-ADN1 is an embedded board with a NUC form-factor, powered by the Intel N97 low-power processor. This board is tailored for applications requiring efficient performance and compact size, such as digital signage and other commercial or industrial uses. The JNUC-ADN1 series is built around the Intel processor N97, which offers up to 3.60 GHz […] ⌘ Read more

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我有一个绝妙的游戏点子,怎样才能把它做出来?——独立游戏可行性概念篇
如何完成一个独游项目的立项,大概可以这样思考:

1 想做什么?怎么整理自己的点子?

2 怎么确定自己的概念设计可行?怎么进一步推导可行性?

3 评估能力和成本,怎么做好项目的规划和商业化预期?

4 怎么让项目能够落地下来?

我会以“ 烟花”作为命题,来讲讲怎么从“烟花”这个概念拓展为能变成能落地的可行性概念。

一、 灵魂疑问:我有一个绝妙的游戏点子?

人总会容易有一种错觉:我有一个绝妙的游戏点子,只要做出来肯定火。

那问题来了:

这真的能行吗?怎么才算绝妙的点子呢?

答案很简单:

别YY,去外部验证。

之前有群友问“烟花”怎么做成独立游戏,这次就以烟花当例子来进行推导。

首先,在动脑前,最好是先到互联网验证一下自己“绝妙的游戏点子”是不是已经有人想出来了,甚至做过了?

先花时间搜一下能很有效的避免重复造轮子。

下面是一个随便一点的流程。

先到b站搜一下:

![](https://pic … ⌘ Read more

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How to Get macOS Sequoia 15.1 Beta With Apple Intelligence
Apple has made available the second developer beta of macOS Sequoia 15.1, which includes the ability to test Apple Intelligence features. If you have an Apple silicon Mac and don’t live in China, you can try Apple Intelligence features for yourself, even if you’re not a developer. Keep reading to learn how.

![](https://images.macrumors.com/article … ⌘ Read more

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Beta 2 of iOS 18.1, MacOS Sequoia 15.1, & iPadOS 18.1 Released with Apple Intelligence
Apple has released the second beta of iOS 18.1, iPadOS 18.1, and MacOS Sequoia 15.1, each with support for Apple Intelligence AI features, on supported devices anyway. The release of these new beta updates is unusual in that they’re concurrent with betas for iOS 18.0, iPadOS 18.0, and MacOS Sequoia 15.0, each of which does … [Read More](https://osxdaily.com/202 … ⌘ Read more

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↳ In-reply-to » 4 week vacation time is done tomorrow, then it's back to work. A bit excited to see what happens there for the rest of the year, a bit stressfull too, but It'll be nice to get back to work. This summer vacation has been super nice, and also felt like it lasted long. Been a super time with my family, we got to visit a lot of cool places, and went on a lot of trips etc. Been really nice. And we've already planned what to do next year - so I already look forward to that :)

@prologic@twtxt.net During summer - yes, since our kids have 2 months. First month of their vacation I still work, then I join them on their last month. We do have 5 weeks, so I save the last week for around Christmas. :)

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