OpenTechnical

OT-2026-000069874

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000069874) never changes.

Identity and time

Publication numberOT-2026-000069874 · never reused
Internal UUID01a0ae91-1860-7c80-954e-8227feae94d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069874
StatusPUBLIC

Content hashes

Canonical text5d8a6c044c2ebbf2cbecc364b479f790702feab319f8edebf9b2740839dc4b8c
Markdowne336c5bfd65ad7536ead30ec1a886df352fd5c6b9da0d0899170b7a547170efa
PDF
Publication page9c2a907d0ffaef60152a6542b7cfd659fbcc5e49327f66a89da63d574bda95e9
Manifest84cbc0212f303c40f84222626d2078e9a8a69561834dde0640e542dad84b300b

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
Signature8oAjWF4nFDaKWzkiMNkK8Ywj2VYBUQh+4+PCsUcDvVbuS4l/igHn7sR1rsmtgC3m5wyzRta8h8UpbwqK8+ZDBw==
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

2026-09-17T10:26:36.011009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069874
observed 9c2a907d0ffaef60152a6542b7cfd659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.993903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069874/manifest.json
observed 84cbc0212f303c40f84222626d2078e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.976916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069874/publication.md
observed e336c5bfd65ad7536ead30ec1a886df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.959784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069874/publication.txt
observed 5d8a6c044c2ebbf2cbecc364b479f790...
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.