OpenTechnical

OT-2026-000034237

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000034237) never changes.

Identity and time

Publication numberOT-2026-000034237 · never reused
Internal UUID01a0ae75-df0d-7d8c-8347-dda16de32f21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034237
StatusPUBLIC

Content hashes

Canonical textc3dce7da8c2ef1487626674a9430996c0404d1cbda561c9e3a9f6d0a5d820ef0
Markdown0bfcebe39330b657eae3dc9822c54c936237d6e6d8a2cb61065ebc225d1a9d6a
PDF
Publication pageb3464b8b154ccc81ae827df5b25a547650e92c04ca15598233ac52e00472a7e1
Manifest3b6df9a4ca256861db02c26ebd5a8d420c818d0f802f61657f45d3c09203d7c8

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
SignaturevXWfiDUnCMDDcn+KzRRQrLiJMO6AJTP6YX9lEv46fRdpRcbniAY11N85V1/eV0xkqV9cGYFA4Qfu0qlh1WolDA==
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

2026-09-17T11:30:47.446518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034237
observed b3464b8b154ccc81ae827df5b25a5476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.429400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034237/manifest.json
observed 3b6df9a4ca256861db02c26ebd5a8d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.411131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034237/publication.md
observed 0bfcebe39330b657eae3dc9822c54c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.395358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034237/publication.txt
observed c3dce7da8c2ef1487626674a9430996c...
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.