OpenTechnical

OT-2026-000001423

Publication integrity record

Device for transporting slices of food

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-2026-000001423) never changes.

Identity and time

Publication numberOT-2026-000001423 · never reused
Internal UUID01a0a675-fae9-7c05-9314-22e5064799b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:05:44.938038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001423
StatusPUBLIC

Content hashes

Canonical text12d19ca6604b7f3d63bf6b99ad4db6db4b6e088424b453929f8361b6a5b98c3b
Markdownddf39644fbcf3b873fb2e7c7a5e1a039a8e7f6d6d1e4811315843bd27ad35348
PDF
Publication page8b621d92feb4c46326d1218fd0c1e815a6d289476627a3d0fba74206f285e00b
Manifest2eb9623678ba0382af2235f5c47a759125bbe9c524e97b1ddbc53e6a9975705f

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
Signature7C+RZQh6dnj5amHfVf7kyCDT/H8+7DuL8LPbZe26vzPrTTBk9PiK2I44tEKh4082Ylcs9s0YBVYeVVH3qAU8Aw==
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

2026-09-17T00:42:16.655889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001423
observed 8b621d92feb4c46326d1218fd0c1e815...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:42:16.451783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001423/manifest.json
observed 2eb9623678ba0382af2235f5c47a7591...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:42:16.231679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001423/publication.md
observed ddf39644fbcf3b873fb2e7c7a5e1a039...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:42:16.029919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001423/publication.txt
observed 12d19ca6604b7f3d63bf6b99ad4db6db...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:38.907904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001423
observed 8b621d92feb4c46326d1218fd0c1e815...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:38.725510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001423/manifest.json
observed 2eb9623678ba0382af2235f5c47a7591...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:38.539900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001423/publication.md
observed ddf39644fbcf3b873fb2e7c7a5e1a039...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:38.388513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001423/publication.txt
observed 12d19ca6604b7f3d63bf6b99ad4db6db...
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