OpenTechnical

OT-2026-000002260

Publication integrity record

Ophthalmic lens gripper

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-2026-000002260) never changes.

Identity and time

Publication numberOT-2026-000002260 · never reused
Internal UUID01a0a67b-8aa4-7981-aebf-a5e164257a2f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:49.413237Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002260
StatusPUBLIC

Content hashes

Canonical texte4551071db1c94e3b66109d666857460e838472dcb2446fb20920eca4a1c7689
Markdown5ce44354cdd35cf6e0a6cedc03565d99395f4932845afcad46e3185ed2ebf34e
PDF
Publication page60462a3754a2a054ed0efedc8c0ff5a8a5d812342d7a1c8b15fb503653aab89a
Manifestc85f078ce2d997d050a938986d1d659daa91c4142c7bfb0a43ed4b3f867b0f79

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/mVC/RU6Is/3As5Wk0lhc8ArSR1pp+VVxcbIxtW+AxaxgW8FviN7Z4zIQFCs04z5QgK9wHGLoC6EvNsRvoWqAQ==
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

2026-10-21T00:41:09.705911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002260
observed 60462a3754a2a054ed0efedc8c0ff5a8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:09.635425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002260/manifest.json
observed c85f078ce2d997d050a938986d1d659d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:09.544499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002260/publication.md
observed 5ce44354cdd35cf6e0a6cedc03565d99...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:09.250587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002260/publication.txt
observed e4551071db1c94e3b66109d666857460...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:40:34.995644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002260
observed 60462a3754a2a054ed0efedc8c0ff5a8...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:34.967493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002260/manifest.json
observed c85f078ce2d997d050a938986d1d659d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:34.955996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002260/publication.txt
observed e4551071db1c94e3b66109d666857460...
fetched by instance-3.rotem.ai from 127.0.0.1, 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