OpenTechnical

OT-2026-000098303

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000098303) never changes.

Identity and time

Publication numberOT-2026-000098303 · never reused
Internal UUID01a0aea1-e965-7b1d-a1a1-4173a7b21f1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098303
StatusPUBLIC

Content hashes

Canonical text43819c7de4d0f1a9a51480ed5ab976f377ec56be06d1d81c257d81db7f494aee
Markdown56187d4914b0965dae78729f03fe8eaeaae017c3b7c27a720f578d630cee7435
PDF
Publication page927e9b73f2d720f1c363462b6c9ee2c5aa9dc7ad0e89ce395f673bc248d35326
Manifestc46a011348e8cd8fdccf786b01a355b12da1d1836f75c480da3474aebb167598

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
SignaturefHHfKPXsaz5OpwwivT9N1jLrqwa+J/SFosidBc6LFT4fmMRK2a0/tuPy1Qd77SbK+C43v3ND7NnYcQV2+TOTBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:30.347781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098303
observed 927e9b73f2d720f1c363462b6c9ee2c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:30.328826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098303/manifest.json
observed c46a011348e8cd8fdccf786b01a355b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:30.308906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098303/publication.md
observed 56187d4914b0965dae78729f03fe8eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:30.289592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098303/publication.txt
observed 43819c7de4d0f1a9a51480ed5ab976f3...
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.