OpenTechnical

OT-2026-000064004

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000064004) never changes.

Identity and time

Publication numberOT-2026-000064004 · never reused
Internal UUID01a0ae8d-53bc-7a69-befd-a04b1a0736b9 · 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-2026-000064004
StatusPUBLIC

Content hashes

Canonical textc53d1718e461bb6b167383606a321cf7724a3d09ebe148c7b64e4e710c38e636
Markdown49e4beee11ea9d4ffe436a165f6a32d6ff6102d6017fce448effa3a5d47f5275
PDF
Publication pagee31760549a750eeb4a13b638264812065cb88c257cfae25a6df7e7f6a3eac9cf
Manifest30fde740a4eed8ef67874b5a7bd113b376d1313db6946b3fbead58c913d71046

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
Signature2AThVGc4KpJFtr2qwsvBieNSKpk1+jdY/yeUrTUH/hOk1CtZ8jQSd2l+8pLIjqFQBDSYQMWbMLKuNEv9UMorBA==
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

2026-09-17T10:37:04.944780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064004
observed e31760549a750eeb4a13b63826481206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.925748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064004/manifest.json
observed 30fde740a4eed8ef67874b5a7bd113b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.908544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064004/publication.md
observed 49e4beee11ea9d4ffe436a165f6a32d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:04.892269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064004/publication.txt
observed c53d1718e461bb6b167383606a321cf7...
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.