OpenTechnical

OT-2026-000093931

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000093931) never changes.

Identity and time

Publication numberOT-2026-000093931 · never reused
Internal UUID01a0ae9e-92c8-7e4b-aed5-42df3bc68d25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093931
StatusPUBLIC

Content hashes

Canonical text74f826af5e37a9280c7452e7f1ad9258b00f8ec567301a032ec58d430ee0f03e
Markdown280d005c9cc4e61e60db275c5fa48a38b98fedcc381fc9c07e633641e6e3abb4
PDF
Publication pageff5eff0d7388758facb6ca1c6cc09d7e6ad7b3bd015a194c292b99886712853b
Manifeste02de551b8aa5a1b8ece398992b17004d9647c3e4f69418f844819c15c06f39a

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
Signaturewy5ZUKbaayeoDe9NMKetqP9rGgjtDLbV7ad0yj2StMgcbDTNYKEP2dbjWd+RkXUEqvtAhbjnpFscArL3W433Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:12.298323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093931
observed ff5eff0d7388758facb6ca1c6cc09d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:12.281523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093931/manifest.json
observed e02de551b8aa5a1b8ece398992b17004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:12.264041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093931/publication.md
observed 280d005c9cc4e61e60db275c5fa48a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:12.245868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093931/publication.txt
observed 74f826af5e37a9280c7452e7f1ad9258...
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.