OpenTechnical

OT-2026-000094919

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000094919) never changes.

Identity and time

Publication numberOT-2026-000094919 · never reused
Internal UUID01a0ae9f-2dee-72b4-ac95-69d55bc3ab2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094919
StatusPUBLIC

Content hashes

Canonical textc3589d08d31f98959302924d100007715e976fee26760dd14d2a48af40c8d2b8
Markdown795dbec856b08b5600e28d7d0536591ee648f3f103f9e3ad8f3c7e5f2f62125e
PDF
Publication pageac0582a10bed6e204a9a9da37db6ede0f4dfa0ff970ded4cddb51bc8aeefbfc7
Manifestd0e0cb3199390b1b4648fd26433cedfb446daa8d66517903479b664ee5c0e2d8

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
SignatureDe5WV3J5LXgAP6wARCEcJNb1Pof65hGI/wHhDoXVy85zyl16hT16/fAKPIfD1HwkrsRSqnVvKJa3JAKlDMD7Aw==
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

2026-09-17T09:37:26.837636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094919
observed ac0582a10bed6e204a9a9da37db6ede0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:26.817544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094919/manifest.json
observed d0e0cb3199390b1b4648fd26433cedfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:26.800802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094919/publication.md
observed 795dbec856b08b5600e28d7d0536591e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:26.781028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094919/publication.txt
observed c3589d08d31f98959302924d10000771...
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.