OpenTechnical

OT-2026-000076506

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented before 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-2026-000076506) never changes.

Identity and time

Publication numberOT-2026-000076506 · never reused
Internal UUID01a0ae94-6a71-7591-880a-492eed909286 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076506
StatusPUBLIC

Content hashes

Canonical textaea22673fc60f3a4547488335e8651bfbb124b79bf05dbc5edaab7f3508f10b5
Markdownfa45b1ffc4b6b0dc123a8442036c1ff955ab43988482dd207a9488b8d5e8084f
PDF
Publication page8682c743a2011be95299ecdf0e54d1138a6941bc61b2387c439e7a123bbec782
Manifest49e9c87ba5fe03dbb1813e8afd8cd4ef32ac7df6b92e0d6bdaa5015f008ce630

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
SignaturesjlcGvQ2wiQogOapzBko4OrVTVrzbZ6jC32c78EryjXHKDcBZPf7/07sJL42w9rDZywE/jd/SO/b6Lni48nGAA==
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

2026-09-17T10:12:47.532866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076506
observed 8682c743a2011be95299ecdf0e54d113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.515679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076506/manifest.json
observed 49e9c87ba5fe03dbb1813e8afd8cd4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.497893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076506/publication.md
observed fa45b1ffc4b6b0dc123a8442036c1ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.479059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076506/publication.txt
observed aea22673fc60f3a4547488335e8651bf...
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.