OpenTechnical

OT-2026-000002246

Publication integrity record

Device for gripping layers of products

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-2026-000002246) never changes.

Identity and time

Publication numberOT-2026-000002246 · never reused
Internal UUID01a0a67b-73db-745c-b0bc-4767a4511a4e · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:43.580205Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002246
StatusPUBLIC

Content hashes

Canonical text887488db632cee6d23c758d246c45fd1aa7bd3978be0af74802d8a0117987e2c
Markdownfb7bdd654297b9e5767b8a18916667475ccc0eb1f28bf7aada85903a8b4ecbb2
PDF
Publication page5c8d7e49e7050a775d49a8022299cdbad437d90addbb0d41169582d58ec02eb2
Manifeste0625acedeebc323d2aac94c58236b014531914451e9f4a0492dbaa46ddf08d0

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
Signature8aTq9bQDqBd1mtIWQ9nNYhwx0fQNjsrXn4JgCitYJvD2SQl4vvvd9wofPrwUsz8NClAnaunjiUqk2ZNk7jdrDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-10-01T04:41:50.991598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002246
observed 5c8d7e49e7050a775d49a8022299cdba...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T04:41:50.945159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002246/manifest.json
observed e0625acedeebc323d2aac94c58236b01...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T04:41:50.899535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002246/publication.md
observed fb7bdd654297b9e5767b8a1891666747...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T04:41:50.807446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002246/publication.txt
observed 887488db632cee6d23c758d246c45fd1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:49.208134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002246
observed 5c8d7e49e7050a775d49a8022299cdba...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:48.689265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002246/manifest.json
observed e0625acedeebc323d2aac94c58236b01...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:48.167730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002246/publication.md
observed fb7bdd654297b9e5767b8a1891666747...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:47.686030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002246/publication.txt
observed 887488db632cee6d23c758d246c45fd1...
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