OpenTechnical

OT-2026-000088303

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000088303) never changes.

Identity and time

Publication numberOT-2026-000088303 · never reused
Internal UUID01a0ae9b-5d27-7bb9-9868-613288bff815 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088303
StatusPUBLIC

Content hashes

Canonical text3b565e5f8dd70e9ec48e5c4ab276cd74e2ec3e90e3ef12f3a37d6f0a65ad1eae
Markdownc808b40751a309cccc342c5dec0920c49955e65278b9b505c669409361b7833a
PDF
Publication pagec915875c77320af33b933ffdabb08398e34d3406c8b4ab3c752a72fac4d8dae6
Manifest88daf9fbac07f238e161cc66ced992facebf3bb5116530fa20320a1501a22206

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
SignaturekohPr/kfzWk1SDilVvjsQxBSamCvgfcAuFVnBGAt8wQ5jeipmb4RpTRP4aT6FrOhd5YE8zIneNWYs0Dow3f2Aw==
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

2026-09-17T09:48:38.353857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088303
observed c915875c77320af33b933ffdabb08398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.334923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088303/manifest.json
observed 88daf9fbac07f238e161cc66ced992fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.317171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088303/publication.md
observed c808b40751a309cccc342c5dec0920c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.300550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088303/publication.txt
observed 3b565e5f8dd70e9ec48e5c4ab276cd74...
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.