OpenTechnical

OT-2026-000092295

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000092295) never changes.

Identity and time

Publication numberOT-2026-000092295 · never reused
Internal UUID01a0ae9d-875b-7095-8bad-33063e13a4a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092295
StatusPUBLIC

Content hashes

Canonical textb04bb7ea997d7e00689ec653dec041cddb3ce8ee69f80166615c2a643fb3e743
Markdown533769030417cc59d1acdf54fe22cc59028cdb1211d3edb4e3d03cba2f75883f
PDF
Publication page473282360d9081eb31f4afee39b656b0c95623fc5ebf86337e60794685e147f9
Manifestd02459e266e30e48f30da52a04cb36a2cd0d1a5d177ebc9013d58f23e8233a2b

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
SignatureIPDMPD3mwiQR9Ymp/mqd6G+CkxP+iTYkBw4gRr/VFvOok/VFz6ZHHzkDaaSolDlcftKFieU0YvOmn7WauPCgAA==
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

2026-09-17T09:41:50.057345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092295
observed 473282360d9081eb31f4afee39b656b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.039081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092295/manifest.json
observed d02459e266e30e48f30da52a04cb36a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.019792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092295/publication.md
observed 533769030417cc59d1acdf54fe22cc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.000784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092295/publication.txt
observed b04bb7ea997d7e00689ec653dec041cd...
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.