OpenTechnical

OT-2026-000010052

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000010052) never changes.

Identity and time

Publication numberOT-2026-000010052 · never reused
Internal UUID01a0ae6b-cb79-7221-808f-7f072fedf4d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010052
StatusPUBLIC

Content hashes

Canonical text66b0c6eedb4b270bbd570172abbd5247c184f80344c3b49b9d2b5c5221913d20
Markdown09bffb272114d14619e99673d1071a571176c11f6e56d9c770700daafd307258
PDF
Publication page7e5abe332b94fa45e00712af98afb0ab919fe5b6e15bf2721a9736eedd9f8056
Manifestb1f336fa1e2e57cbe6a6e950d303dbcfa5c8b6fbb181687498df003cab0945f9

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
SignatureyJK4yxLuYGR2MnRlpZis6wQAHBQ396wSsLe5qYHwIqKPsGhYcARUUc7no8il4/rHtTkNsh6CM0HIVlGNrl08Aw==
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

2026-09-17T12:16:07.322940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010052
observed 7e5abe332b94fa45e00712af98afb0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:07.303228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010052/manifest.json
observed b1f336fa1e2e57cbe6a6e950d303dbcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:07.286146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010052/publication.md
observed 09bffb272114d14619e99673d1071a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:07.268222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010052/publication.txt
observed 66b0c6eedb4b270bbd570172abbd5247...
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.