OpenTechnical

OT-2026-000093110

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000093110) never changes.

Identity and time

Publication numberOT-2026-000093110 · never reused
Internal UUID01a0ae9e-0910-75d2-a745-2b8d2f77bae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093110
StatusPUBLIC

Content hashes

Canonical text9c50771d2963f4f2892ce4f3d389f98fdb23ad205c11c9dc61881c9cefb39257
Markdown42ab507a9d739e30ed62a280a4ecd2f3b768706a25c4560da541411dca6fd1ed
PDF
Publication page3551ed40755b7b6d937cc177c1e8c4a20c7b5d4749978acd0ed6cd35648aca75
Manifest90460677a4948f412c74a532ea280c3c2b65045bbd41dda42dedc7332afc482f

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
SignatureVpEGIM5MPC/lchouWK2Q5Vc3O+iHCLmyLnXx0FPySYea2gNSRH7ImntYRnToWW2qKbEhwAYAekuwuoOE0pFvCQ==
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

2026-09-17T09:40:23.559864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093110
observed 3551ed40755b7b6d937cc177c1e8c4a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.542160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093110/manifest.json
observed 90460677a4948f412c74a532ea280c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.524944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093110/publication.md
observed 42ab507a9d739e30ed62a280a4ecd2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.502623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093110/publication.txt
observed 9c50771d2963f4f2892ce4f3d389f98f...
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.