OpenTechnical

OT-2026-000040650

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040650) never changes.

Identity and time

Publication numberOT-2026-000040650 · never reused
Internal UUID01a0ae79-6d0e-7f49-9f4d-8b0432eba347 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040650
StatusPUBLIC

Content hashes

Canonical texte33a1048f301cd42bf39f9b09efc7d6f77e31981a8cc5b8e8c26109b5cd36422
Markdown9b983a7d74143ad14040bc82127d5f746c3bdc3c29437cbbc91f74519d87acb1
PDF
Publication page11c2a1ec6e6d10e05167d0f452935d8cf62ea7cbdadb347d4bcbe229a6b83b37
Manifest2785aeede4e78cc99dcd93d82fdac2765acc247a0a777e7833234dc99c369b69

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
SignatureHGJDtm7omzaw5OtqV4PjZW0eoJzh23QvKKaK+hLBt7NiAycADczJoFY2Uzu0pWORsh3nLRtj747OCDVvVeDhDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:50.234254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040650
observed 11c2a1ec6e6d10e05167d0f452935d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.215612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040650/manifest.json
observed 2785aeede4e78cc99dcd93d82fdac276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.196473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040650/publication.md
observed 9b983a7d74143ad14040bc82127d5f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.180005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040650/publication.txt
observed e33a1048f301cd42bf39f9b09efc7d6f...
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.