OpenTechnical

OT-2026-000000504

Publication integrity record

Sealing tool for a skin packaging

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000000504) never changes.

Identity and time

Publication numberOT-2026-000000504 · never reused
Internal UUID01a0a673-73fb-7333-9c02-0ed72c85938e · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:59.323962Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000504
StatusPUBLIC

Content hashes

Canonical texta928ba5bbf1526392573668d975504ee960c211af4cc937f5eb05ddc179c24aa
Markdown1a76589465110ffd604ef69d7c198ad3e552bec832aee15d0d18243528ce05b0
PDF
Publication page262eb5573b56f8f705d014c267a537cf8dbf67f412fc546112ac119dde611776
Manifestdea773ef1207e3fbdf0558c608f1cce84f0a82092fe1c51135d8b6fc47be0bd0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature/pnHoMyC+XUhv1lx8b8Pf90ICyTjtdz8Mt9wiDavw3HWhZMU4U9As6I0qtHBSiBGqCIAvd+1GQmCUklRGi/nCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-16T12:42:05.712339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000504
observed 262eb5573b56f8f705d014c267a537cf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:05.573952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000504/manifest.json
observed dea773ef1207e3fbdf0558c608f1cce8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:05.353398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000504/publication.md
observed 1a76589465110ffd604ef69d7c198ad3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:05.088216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000504/publication.txt
observed a928ba5bbf1526392573668d975504ee...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:42:44.338214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000504
observed 262eb5573b56f8f705d014c267a537cf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:42:43.917477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000504/manifest.json
observed dea773ef1207e3fbdf0558c608f1cce8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:42:43.596926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000504/publication.md
observed 1a76589465110ffd604ef69d7c198ad3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:42:43.260704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000504/publication.txt
observed a928ba5bbf1526392573668d975504ee...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent