OpenTechnical

OT-2026-000050477

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, vented before set-down, on a tool changer

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-2026-000050477) never changes.

Identity and time

Publication numberOT-2026-000050477 · never reused
Internal UUID01a0ae82-5c48-722a-9837-7478ee843ee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050477
StatusPUBLIC

Content hashes

Canonical text443693cb469b8db50da5111613a35277df9a75a9d34f6f48d51e503877d2de61
Markdown06024c13dd260ec8fba19ddd5049723877b517c9d27cde537870f91af65eb4c5
PDF
Publication page0ea69ff76c818ecb4f93c412d857de669a4566d9d91c7a810320469995637884
Manifest9951f94b8200c97d8a517a9b7ffd51e8c2d2ec9d9e4e62e8cab18fde97ee11ae

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
SignaturecGfEUXGbHHk3rbekQ6q16Q/tquT9HT50mmHloVGRoYtYZjIiDaNlgVWQu5/E1E23UOthTdF404tmAUSSLUyUDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:31.904541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050477
observed 0ea69ff76c818ecb4f93c412d857de66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.889710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050477/manifest.json
observed 9951f94b8200c97d8a517a9b7ffd51e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.874332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050477/publication.md
observed 06024c13dd260ec8fba19ddd50497238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.857421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050477/publication.txt
observed 443693cb469b8db50da5111613a35277...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.