OpenTechnical

OT-2026-000081686

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000081686) never changes.

Identity and time

Publication numberOT-2026-000081686 · never reused
Internal UUID01a0ae97-0f73-7aab-be3b-6ff9aeee77c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081686
StatusPUBLIC

Content hashes

Canonical text27052042e5bf81e02df49ff3488963278890f67dba93d91a2fcf67e9de1c04c3
Markdown9c6f4b11e1edd67815ea43b8b0a587b075a3b077b29e0a157cebdabcb9c69ea4
PDF
Publication page3fd20f0047a3d0ac921910879af15a35e59bf86e41f43634d424738c868d9bb4
Manifest0ff39fbb2016705761b62c8213b1e469dd6957533eac19bd9db11616418495ec

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
SignatureAuw5S7Mu6u8QhjZPJymy5a6EyvHYOTiwuWrPh8tvcZ+UmoW1thk86DRnYE5mhMRHQIY4A42uO0UnB5pHhW7xDA==
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

2026-09-17T09:59:45.028113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081686
observed 3fd20f0047a3d0ac921910879af15a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.011690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081686/manifest.json
observed 0ff39fbb2016705761b62c8213b1e469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.994208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081686/publication.md
observed 9c6f4b11e1edd67815ea43b8b0a587b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.976265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081686/publication.txt
observed 27052042e5bf81e02df49ff348896327...
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.