OpenTechnical

OT-2026-000072729

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000072729) never changes.

Identity and time

Publication numberOT-2026-000072729 · never reused
Internal UUID01a0ae92-89d9-71d0-bd95-6522c90773c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072729
StatusPUBLIC

Content hashes

Canonical text064f0bf8b9a9c3122b02408efa4e87571888bc124038dcf84f87fd80cef59ac2
Markdown77c21107816a1185ca5c2d4e2aeb7cb58385b7cc8545ec3e1a0f172a0325b9e2
PDF
Publication pageec0990009ba4d2ca20c99b1609b69c71d5ae7a8fe1765b5f94ad337852f5dbf8
Manifest391fc938c4a4655a9a5784621dbbda99e0edca0711072099fffc7cf121ecbb97

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
Signature5zLO8uemz/r01wqSPrf8LQXDaBIBvFW4CA+Y8pEh8+c/bvhajeDkkNQX/2jFl7HpbmX2elsUH9CO7Dt6fS00BQ==
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

2026-09-17T10:22:37.728342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072729
observed ec0990009ba4d2ca20c99b1609b69c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.711430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072729/manifest.json
observed 391fc938c4a4655a9a5784621dbbda99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.694306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072729/publication.md
observed 77c21107816a1185ca5c2d4e2aeb7cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.677128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072729/publication.txt
observed 064f0bf8b9a9c3122b02408efa4e8757...
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.