OpenTechnical

OT-2026-000071331

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000071331) never changes.

Identity and time

Publication numberOT-2026-000071331 · never reused
Internal UUID01a0ae91-e0ec-7415-ae66-ac65521c1b12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071331
StatusPUBLIC

Content hashes

Canonical textc5e4f84b5081d2d2f4d54087bd6815f498b825a83d02a30a52d04dd2cb7f2295
Markdowna5fa74431f58d80d451ee15250f373a12dd4eb50986213e92793c799700cf31e
PDF
Publication page947a94cfdd60ba067967328ba6a13367be7cfeb8c550921498073218cd4540d3
Manifestdda1e05de7a64ea711e0096e57dea0bec4708f2eeb6e4f93ed6b052cdcf6c91d

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
SignaturePTx7txH2mCk3RaUcH0emG4C3hGOkQluCVdf713rjxvBHaR9tfHxTZ4tUd4QNdS37RoEUrZ3J017tb2fkrDjAAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:55.641108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071331
observed 947a94cfdd60ba067967328ba6a13367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.622404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071331/manifest.json
observed dda1e05de7a64ea711e0096e57dea0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.604340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071331/publication.md
observed a5fa74431f58d80d451ee15250f373a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.587729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071331/publication.txt
observed c5e4f84b5081d2d2f4d54087bd6815f4...
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.