OpenTechnical

OT-2026-000069757

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000069757) never changes.

Identity and time

Publication numberOT-2026-000069757 · never reused
Internal UUID01a0ae91-185f-778c-bb62-35989e887b79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069757
StatusPUBLIC

Content hashes

Canonical text9784d27e50d911b34e5b784ec6c35d1f07542d59af4a503b833b1a37b3c354cb
Markdownc8ed919c494456cc3620951f949d0a5ce57a5ccb4942d1c2db9d83d21169ae13
PDF
Publication pageea1faffc2eb475e654c38fa874319206b06de3d9a3978d480b6e0d7aeaff1196
Manifest6863bfaa3f0a4dd9ba92d542ffdefa57d6c7ad17699cd380fb8c9b0c9a482d82

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
SignatureFGg/dFbJ2aAJMQRpJrnip7hMIWvoHUDVf6FnRwxMU7pJS9hwhofMsMFOLa8eiuh+fMqTfkrcm2cy2bSkKHT8Bg==
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

2026-09-17T10:26:34.716091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069757
observed ea1faffc2eb475e654c38fa874319206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.698454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069757/manifest.json
observed 6863bfaa3f0a4dd9ba92d542ffdefa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.681041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069757/publication.md
observed c8ed919c494456cc3620951f949d0a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.665470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069757/publication.txt
observed 9784d27e50d911b34e5b784ec6c35d1f...
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.