OpenTechnical

OT-2026-000062281

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000062281) never changes.

Identity and time

Publication numberOT-2026-000062281 · never reused
Internal UUID01a0ae8c-0abe-708c-9920-b2b7ed3d9801 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062281
StatusPUBLIC

Content hashes

Canonical textf950f27810ce4f57b0b015250aa4145943a9b7290820f608b8ad26b935d467f7
Markdowna7f1f1340af2c8e2eeb87acc976375d006893ea62689f17f24bba801021ae82d
PDF
Publication page8de8239e3e11b642d065d4a05665cc53cba24bc85d1121ac8ce1ed69b7c80766
Manifestb93d302c4a8fc09ad444d230f4e549b72c86970c08e617e5625f3deedd2ddd51

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
SignaturerfkP7DniZofKvT3oyYqlNNkSfFaPajTIAjV1Cw7wJmWsKUtn7m7kArekj55b0DogslR6cbjeO/WS8+m9h/buDA==
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

2026-09-17T10:39:33.920193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062281
observed 8de8239e3e11b642d065d4a05665cc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.904255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062281/manifest.json
observed b93d302c4a8fc09ad444d230f4e549b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.887490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062281/publication.md
observed a7f1f1340af2c8e2eeb87acc976375d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.868472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062281/publication.txt
observed f950f27810ce4f57b0b015250aa41459...
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.