OpenTechnical

OT-2026-000063826

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000063826) never changes.

Identity and time

Publication numberOT-2026-000063826 · never reused
Internal UUID01a0ae8d-53b7-7e36-84a1-1680c23ad6d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063826
StatusPUBLIC

Content hashes

Canonical textd08c86bfdc247ad7fb3b04383284ed9cb2b10a8d5ca4a4eeed83f9a3513213d6
Markdown7cbc36f398c1a06a3cc605513587f9d9116e5e002d02ec77f1bc7b44bf5bf136
PDF
Publication page11fea94d37db36a74f976b341301774f059284039e0458c09d223997f3b87cef
Manifest30cc1e75c8ebd7ca6a238022fc4b782e6653f265afeb0dbc616f4e30950e5f91

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
SignatureaJyUDnaYoRW1z0BinX+dIBsaHRzAo/9Be8sBmbho6wKcg5UZyDwdNhYWbvx6vDVYeyVAftwR06cZ8TdtXgv0CA==
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

2026-09-17T10:36:50.968711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063826
observed 11fea94d37db36a74f976b341301774f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.947695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063826/manifest.json
observed 30cc1e75c8ebd7ca6a238022fc4b782e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.930822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063826/publication.md
observed 7cbc36f398c1a06a3cc605513587f9d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.911791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063826/publication.txt
observed d08c86bfdc247ad7fb3b04383284ed9c...
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.