OpenTechnical

OT-2026-000011207

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000011207) never changes.

Identity and time

Publication numberOT-2026-000011207 · never reused
Internal UUID01a0ae6c-540f-7d54-b47a-41e2d3578e0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011207
StatusPUBLIC

Content hashes

Canonical text0ff5834e0a80f049b887fd56582c0af1d9d5fb539b08894be0cf8c7d78122c99
Markdown8bc025dc334f73b9c90046884c7b171988161cb62f74e161c135cc94339791ca
PDF
Publication pageb26d3af1dcd09186658dbeaa381970ef2a8cbc0beae54195ecd22511f2799d0a
Manifest89bd05acdccf46700013e7778bfdfd7616933014d37d7c7d100499126bac7037

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
SignaturepetMeLdQWD4+X4X8Y7tLuh9cBj7/eGqrjoE4uE7aXEyniMnrhr73gKF0i0P4hOBTV3akxF0W7z8zBgu16kpdCw==
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

2026-09-17T12:14:09.514222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011207
observed b26d3af1dcd09186658dbeaa381970ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:09.496282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011207/manifest.json
observed 89bd05acdccf46700013e7778bfdfd76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:09.473718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011207/publication.md
observed 8bc025dc334f73b9c90046884c7b1719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:09.455340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011207/publication.txt
observed 0ff5834e0a80f049b887fd56582c0af1...
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.