OpenTechnical

OT-2026-000077064

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000077064) never changes.

Identity and time

Publication numberOT-2026-000077064 · never reused
Internal UUID01a0ae94-f507-7fc4-b3c9-2dee8d652cb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077064
StatusPUBLIC

Content hashes

Canonical textdf8c60cd032f8640797c85d6282b13c4dbe2ebf4b7504d46e89f39afc3bda9b4
Markdownf3ff220bd43edeb74c2dc67eca51beb1f8712db621ab400d5496162af10c451e
PDF
Publication page7f24f2db66aea28d487372da7f77774adc0717ca169e34daf813a47d3d07e6f7
Manifest14e2625ac31893e7f1e315da9a51c1bb501dd2e3705f1bcf0ec99db506e99463

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
SignatureT2FGxcihCucDlVKiiYfpmq9/V9AF3fHxnvEYAGi6v4X3Qp7XD70thWqiuXumYtiTG4wXlETuu8HMLhvSiy6TBA==
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

2026-09-17T10:11:23.786397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077064
observed 7f24f2db66aea28d487372da7f77774a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:23.769993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077064/manifest.json
observed 14e2625ac31893e7f1e315da9a51c1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:23.749727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077064/publication.md
observed f3ff220bd43edeb74c2dc67eca51beb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:23.729411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077064/publication.txt
observed df8c60cd032f8640797c85d6282b13c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.888946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077064
observed 7f24f2db66aea28d487372da7f77774a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.870513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077064/manifest.json
observed 14e2625ac31893e7f1e315da9a51c1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.852763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077064/publication.md
observed f3ff220bd43edeb74c2dc67eca51beb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.833756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077064/publication.txt
observed df8c60cd032f8640797c85d6282b13c4...
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.