OpenTechnical

OT-2026-000008251

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000008251) never changes.

Identity and time

Publication numberOT-2026-000008251 · never reused
Internal UUID01a0ae6a-908e-778f-aeef-bbffd0fe6ddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008251
StatusPUBLIC

Content hashes

Canonical text3ed09e3f5fcbdecf9ca975f8bff28b93819e04ed7ec593d4e6d3c7559ae8c492
Markdownef4e5d71aa306c08ec43d96e64878a641a673a28571df4a64cb4a5352c818a26
PDF
Publication pagee91fc008f9137aef0a18d11d2d53fbf50212325de296aadb32e8f3a562a7c9b1
Manifest2f1215f64e384a01affc9805ad29ad061a12d24e9d218f8a600fa67519271b31

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
SignatureXqA7Gz1Frf7krH01KCbl5Oba2Evy0yX47OW0P83jEkcLiysTtmBP2OaD2sOhQ3/Wp0X0KR3JrHeduWxfZ17sAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:40.544099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008251
observed e91fc008f9137aef0a18d11d2d53fbf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.527358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008251/manifest.json
observed 2f1215f64e384a01affc9805ad29ad06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.511262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008251/publication.md
observed ef4e5d71aa306c08ec43d96e64878a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.496280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008251/publication.txt
observed 3ed09e3f5fcbdecf9ca975f8bff28b93...
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.