OpenTechnical

OT-2026-000019354

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000019354) never changes.

Identity and time

Publication numberOT-2026-000019354 · never reused
Internal UUID01a0ae6e-f392-7f23-889b-8c059b084da2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019354
StatusPUBLIC

Content hashes

Canonical text12062622b61ec8b93607d83f3faef7397ab427403ce74f71313723465c3ac604
Markdown1cff3971e35cefb457ec2bbdd2de71ee0575b3bd72005cc5442e5c018984009d
PDF
Publication page3f2086d8485b6945a1abb123959b47da35a7265091e8597edebbcb876edba865
Manifest2b7c5c7b3cbb81462c21508034a3deec29a7ce054aa0de9f18c6aafc6095fe0c

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
SignatureDWgKVgoC0npTjK7cJ28dQakfT+57n8vXL+8eR+CqT4eb93JCF+NuLcxtB2YzOIRGSj+atSM49rb/y/Y0V/8NBg==
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

2026-09-17T11:58:43.938334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019354
observed 3f2086d8485b6945a1abb123959b47da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.918768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019354/manifest.json
observed 2b7c5c7b3cbb81462c21508034a3deec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.901189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019354/publication.md
observed 1cff3971e35cefb457ec2bbdd2de71ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.882874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019354/publication.txt
observed 12062622b61ec8b93607d83f3faef739...
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.