OpenTechnical

OT-2026-000013008

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013008) never changes.

Identity and time

Publication numberOT-2026-000013008 · never reused
Internal UUID01a0ae6d-5564-7eb8-80d2-c88cc1eb0c4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013008
StatusPUBLIC

Content hashes

Canonical text5493765aee38b7b23ef846d73caa7eb53f510169771a9d9c29b1e1e9f0e51f01
Markdown19bdbba01dc887bbf657aff3dd55ded90afb5b8d91d2da22ef84b9ca6b88404b
PDF
Publication page2091491604e6f03bb6a4644acb08c7753e490276c771adcb0958b5ec7be53baa
Manifest69ad60d00d3f44750856cb3f3379d86c44a0f0c184a9439afc633123a11946f1

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
SignatureP5/Ut67ukRte+u25GJDIh+mqf/6oJX9NbZd5fYIs9GahPf/Qa6dmhUMvsHt5Mwu9/VDwfdyoRaViAQgrnG4cCg==
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

2026-09-17T12:10:49.802760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013008
observed 2091491604e6f03bb6a4644acb08c775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.783703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013008/manifest.json
observed 69ad60d00d3f44750856cb3f3379d86c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.763344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013008/publication.md
observed 19bdbba01dc887bbf657aff3dd55ded9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.745866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013008/publication.txt
observed 5493765aee38b7b23ef846d73caa7eb5...
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.