OpenTechnical

OT-2026-000077355

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000077355) never changes.

Identity and time

Publication numberOT-2026-000077355 · never reused
Internal UUID01a0ae94-f509-76f3-a47b-eadfdcdc6d09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077355
StatusPUBLIC

Content hashes

Canonical text6e7e34ae761da9f40d0cc6044c956333ade653d1d154d48c5af8a9d7dfeb5379
Markdown2ed46811efba272d7365f8ca97014dd045ef57e346508e803225a3ee5b72eeda
PDF
Publication pagec6c5a84f55d4a9bd6beb50dbfcbd90e4ba0a0065d4437b72328418458cbd8a7b
Manifest69c0cfabc294d338c4be98d8db16e19983b62b467cc9f3bf82ff3b1a8e3cad87

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
SignaturedyDVcCkRXBvWfECfkbBmpni1k27msfzfSU3yFTya5+qTm0ePdR/wtpzKDLmg8GMGS9VPEeFHCbSycoRI2LXAAg==
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

2026-09-17T10:08:59.892937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077355
observed c6c5a84f55d4a9bd6beb50dbfcbd90e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.874884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077355/manifest.json
observed 69c0cfabc294d338c4be98d8db16e199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.857714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077355/publication.md
observed 2ed46811efba272d7365f8ca97014dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.839967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077355/publication.txt
observed 6e7e34ae761da9f40d0cc6044c956333...
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.