OpenTechnical

OT-2026-000083700

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000083700) never changes.

Identity and time

Publication numberOT-2026-000083700 · never reused
Internal UUID01a0ae98-0416-763f-97b8-de0dc0d61e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083700
StatusPUBLIC

Content hashes

Canonical text1884f7506690d3a6659aacdc2d4a3ebe8d06ddabc8586e7cbdef8956df54ff62
Markdownd08e4a5a90c8a38ccb6bd7adb572d5968f5cf6491a6f9929595f25f963f1ed5a
PDF
Publication page189d70bd0fc3058861716a2782a43da7b6514fe62d19f1b16a4b0b30e6b62694
Manifestf21afdfb9e1f26da28fedd68859801ab05b67c0cf1698fed44b578f7d09109d8

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
SignatureuEz7S5yUw6UL379C8ygFyDsqb2TTnH8EmwTHiIgK1g8JoAhaGjgP5qOYMNeJ3zZM+xYX5+z0Bi47D52LgHkhDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:19.715079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083700
observed 189d70bd0fc3058861716a2782a43da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.698545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083700/manifest.json
observed f21afdfb9e1f26da28fedd68859801ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.683405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083700/publication.md
observed d08e4a5a90c8a38ccb6bd7adb572d596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.667936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083700/publication.txt
observed 1884f7506690d3a6659aacdc2d4a3ebe...
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.