OpenTechnical

OT-2026-000076561

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000076561) never changes.

Identity and time

Publication numberOT-2026-000076561 · never reused
Internal UUID01a0ae94-b06d-73a7-95a4-e661e08af6f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076561
StatusPUBLIC

Content hashes

Canonical textf016193aef876e8d53fd009985bb00c54ff11ddafe3663f1bd2dee375aa038f5
Markdown428990c1c5506b5a6c5910b117d9e0a9f2e3a55013062d540637892762470bdb
PDF
Publication page3fa6ee3b0cde650f9158dbbfa62ab04759fea589476cda21d74f9a45f515f463
Manifest636c6f8da591a28626b8fc7f84750b60bb165ac9c565aea79f8dc037ed126751

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
SignatureVC//UhClL5QM7c4BJ5T+JW/RZ6WknEJCu//57EUzffssoK1vVLv0HSvjKW6KkBJZuKocGypDS3WMb4M3rSPhCg==
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

2026-09-17T10:09:16.786858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076561
observed 3fa6ee3b0cde650f9158dbbfa62ab047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.768257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076561/manifest.json
observed 636c6f8da591a28626b8fc7f84750b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.749717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076561/publication.md
observed 428990c1c5506b5a6c5910b117d9e0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.730877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076561/publication.txt
observed f016193aef876e8d53fd009985bb00c5...
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.