OpenTechnical

OT-2026-000084493

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, sustained blow-off before 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-2026-000084493) never changes.

Identity and time

Publication numberOT-2026-000084493 · never reused
Internal UUID01a0ae98-e259-74cc-919c-0f3e05b7908d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084493
StatusPUBLIC

Content hashes

Canonical texte2412aab63b79b27ddcb3522ee105b9c56f84fc8820c76758abeb9eaa73f0b9b
Markdown27b34f9d8f31d27b15f4d0c3a0080b137b468e45bef64daa09a2a1cd1f36ae6e
PDF
Publication page931d8a238c708f369c4c357015bf77b954575809a7a1d7ef658c00df43ad018a
Manifest3dbf394e259b90da92e277b5fe28b20621c9d349fbdb77b9ad543f7d7b359975

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
SignatureQW/4nxStE3sXcKUzPr97E0SqPZvw7G9+cy8wLEb2Gg1RhUTYa72aCa/Lc8bMbKCQJG9Qhyz8i7AH3FVw8nvIAw==
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

2026-09-17T09:55:21.880476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084493
observed 931d8a238c708f369c4c357015bf77b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:21.863954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084493/manifest.json
observed 3dbf394e259b90da92e277b5fe28b206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:21.846348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084493/publication.md
observed 27b34f9d8f31d27b15f4d0c3a0080b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:21.827101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084493/publication.txt
observed e2412aab63b79b27ddcb3522ee105b9c...
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.