OpenTechnical

OT-2026-000066302

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000066302) never changes.

Identity and time

Publication numberOT-2026-000066302 · never reused
Internal UUID01a0ae8e-8dc4-7051-8905-857b9e8235fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066302
StatusPUBLIC

Content hashes

Canonical textd8b32e6ac52a89d8973df0ac80aa2dd99bcb3c812a1445d618657bd564d17687
Markdown65709c370d823d53e8c21d770ac131e0263bf8aaeb2e54367fedeea88a142a89
PDF
Publication page5010a6f4b6497d7ad155dd0bb7352634b0cc021a19556c435aa3a6b5a820a712
Manifest2b5766d37b6d1ff16a517cac4246752c9a3ddb3e96152356dde6b92cb09ac325

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
Signature2XWBTg3/qmkInfC34CMZg0WO9Efegg53pcKg0Wbk5Uyi0dKJKmDu7zl3NP/vSwkQmq/zdYzNga9ZrC12eClqCw==
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

2026-09-17T10:33:29.180623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066302
observed 5010a6f4b6497d7ad155dd0bb7352634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.163169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066302/manifest.json
observed 2b5766d37b6d1ff16a517cac4246752c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.144261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066302/publication.md
observed 65709c370d823d53e8c21d770ac131e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.126321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066302/publication.txt
observed d8b32e6ac52a89d8973df0ac80aa2dd9...
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.