OpenTechnical

OT-2026-000008152

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000008152) never changes.

Identity and time

Publication numberOT-2026-000008152 · never reused
Internal UUID01a0ae6a-908c-7f52-b6ec-59d7789fcabd · 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-2026-000008152
StatusPUBLIC

Content hashes

Canonical text139cd6d3f98e478cb3961f9bb8fe973032615b515482e9fe811950924978cc24
Markdowna548a868a707998e623d7d340dbb07618f805b90800034eb861fdd5b5e6fbf82
PDF
Publication page5ac99ad09fbaa92a805a9b5367ef57f6e24241bce942943c035014b1809b06d4
Manifesta9fd84461bd2b82be45b7baf8160a7c38a160babdfddc156ade735de24a633b4

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
SignatureADuNl6PAP0LyTiXToAogxZybiBa+uTGyKy35zZqy6c6BJ9BpAvJ3jMjpoMEW5Kt5Vhdg6dw+GQpgMBRSFn8sAw==
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

2026-09-17T12:20:30.521125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008152
observed 5ac99ad09fbaa92a805a9b5367ef57f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.500940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008152/manifest.json
observed a9fd84461bd2b82be45b7baf8160a7c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.474055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008152/publication.md
observed a548a868a707998e623d7d340dbb0761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.451727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008152/publication.txt
observed 139cd6d3f98e478cb3961f9bb8fe9730...
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.