OpenTechnical

OT-2026-000030294

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000030294) never changes.

Identity and time

Publication numberOT-2026-000030294 · never reused
Internal UUID01a0ae73-e501-7aab-af45-14c60c4d2fc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030294
StatusPUBLIC

Content hashes

Canonical textd65f812b3d8acaf4ccd275559a79c38b81e11663a4d33327e948c54d26dc5ab5
Markdownbc30bdd03256b04f2d63c0aaeab6f610de4a34ea90c2ac0ca82d577a601bdb5a
PDF
Publication page160beb868c93b1c5638f0674ce0ec7cd7d3a6fc52bc424a0bb6c0fcb7971bd78
Manifest4f6c3b1c99af81bba62588ee490d97ef400dc6a348f2afadbc2cb8a8634a4f38

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
SignatureymR7wWTlPlZ/TGSsMr9KIvaYbTolWwYaSQHKyRBUVc671qP9HZRgfdVieDoWl4c+7IEoPzd2Hoahfz8LQ8PiAw==
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

2026-09-17T11:37:57.831351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030294
observed 160beb868c93b1c5638f0674ce0ec7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.813883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030294/manifest.json
observed 4f6c3b1c99af81bba62588ee490d97ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.794158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030294/publication.md
observed bc30bdd03256b04f2d63c0aaeab6f610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.774816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030294/publication.txt
observed d65f812b3d8acaf4ccd275559a79c38b...
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.