OpenTechnical

OT-2026-000027361

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000027361) never changes.

Identity and time

Publication numberOT-2026-000027361 · never reused
Internal UUID01a0ae72-6997-7d6d-8650-88442a173758 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027361
StatusPUBLIC

Content hashes

Canonical text176ef1909feca5ae801af5fafe4663814b80bd4379c092069ce55e8ecbdc44ee
Markdownb88456538c64a948926a8c6e75578271eaa385abc7af8c08357bd71a5ce8d0a7
PDF
Publication paged79fce7539475618bc3c5bad22f6950c3630299d5d5149fc00bf97ebfe75f8dd
Manifesta03de0ffea72879a3250c1a193ed28527143198cd48e328c8278892ea6178a16

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
SignatureTVgmMXUVjzag+fmlor6H1OIKn89zl0YfLt0mCjWDT+H0Odhf/r6e9Op6whgto+tpO84X5xFKRiHlzOZ7y/rGDQ==
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

2026-09-17T11:42:46.394363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027361
observed d79fce7539475618bc3c5bad22f6950c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.369154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027361/manifest.json
observed a03de0ffea72879a3250c1a193ed2852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.352446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027361/publication.md
observed b88456538c64a948926a8c6e75578271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.326691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027361/publication.txt
observed 176ef1909feca5ae801af5fafe466381...
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.