OpenTechnical

OT-2026-000092903

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000092903) never changes.

Identity and time

Publication numberOT-2026-000092903 · never reused
Internal UUID01a0ae9e-090e-7864-95f3-a35585575656 · 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-2026-000092903
StatusPUBLIC

Content hashes

Canonical text71d4b578387bbdef36480bdd42d61f43eb9ec9db9e8708c56f2ee0a6ea2a06ab
Markdown63ffe1e83d09605a971d9d7bd9a22916e0e76bde9190070f5a25c31626819edb
PDF
Publication pagefd9b6c67da75605cd570659fa1cc08d73a8f429558fd3a49abad760200ad5b80
Manifest4a192963f14f6c8e610ecfb6277f33d3f15590d0da89d49fc460556946343abf

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
Signature8pXC45e7hOoQAxn/eW8Jhlx9zlGHVm9Dk9kPgebHBtN4+tZK5WXk1prkf31OOA/5anet7oFj21n9qclT4JEeBA==
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

2026-09-17T09:40:01.038491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092903
observed fd9b6c67da75605cd570659fa1cc08d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.020818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092903/manifest.json
observed 4a192963f14f6c8e610ecfb6277f33d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.002966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092903/publication.md
observed 63ffe1e83d09605a971d9d7bd9a22916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:00.985023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092903/publication.txt
observed 71d4b578387bbdef36480bdd42d61f43...
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.