OpenTechnical

OT-2026-000102994

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000102994) never changes.

Identity and time

Publication numberOT-2026-000102994 · never reused
Internal UUID01a0aea4-be3d-72dc-85d8-3fb0f0488668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102994
StatusPUBLIC

Content hashes

Canonical text41c0eea352cc31eb9597ebaff2524dc4fc1b475fa79cda2f500bd80b34e72e52
Markdown6584f29cae964a9cb56302c171bfaa23a287c9a10bbea8021d5439b161572c6f
PDF
Publication paged559308ae7777b8f6acad4316aeae1abce425f2053b82b63383532db8152d603
Manifestd5d2b77f22c18b1f687e6933bf43593c2a372e973697eabfd8da3c31fdcc3932

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
Signature/5mEZnifBRpA/XyPLlAwrjAEM6V0yRC5FFOoTYwc0CLTPlsqJIDC3vy88SBzeuNX9holfkbNR/ki7jc5/P8xAQ==
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

2026-09-17T09:23:06.516224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102994
observed d559308ae7777b8f6acad4316aeae1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.500328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102994/manifest.json
observed d5d2b77f22c18b1f687e6933bf43593c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.482361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102994/publication.md
observed 6584f29cae964a9cb56302c171bfaa23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.464626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102994/publication.txt
observed 41c0eea352cc31eb9597ebaff2524dc4...
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.