OpenTechnical

OT-2026-000035611

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000035611) never changes.

Identity and time

Publication numberOT-2026-000035611 · never reused
Internal UUID01a0ae76-b4c6-7a79-a773-f1673d1056c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035611
StatusPUBLIC

Content hashes

Canonical text707a851e8349ccb63b185219024d0686c1c2ba75b685c74e2ce64a03a3168cf5
Markdown9377d668879daf6954a70f80fad3db2d7e2f70561c0f0ee449e41a567b1f5264
PDF
Publication page9e025e776bbf02cfd1cc6f002b93eb69a03542136a43223782095beb412ca828
Manifest1eed07edee6455034e675f22614094c7b6e7f78a079a7b8a352dd3371443cb44

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
Signature6FQv9T/ySzF7QZbMUlbzBIcMTwD9emRWxB3yjBsPKfLqeC9S8AQcPG6K5WgPHIpHUMRzMN87RfxPXAIa3m2sAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:08.874398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035611
observed 9e025e776bbf02cfd1cc6f002b93eb69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:08.855699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035611/manifest.json
observed 1eed07edee6455034e675f22614094c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:08.838032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035611/publication.md
observed 9377d668879daf6954a70f80fad3db2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:08.819452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035611/publication.txt
observed 707a851e8349ccb63b185219024d0686...
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.