OpenTechnical

OT-2026-000064295

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000064295) never changes.

Identity and time

Publication numberOT-2026-000064295 · never reused
Internal UUID01a0ae8d-a460-760e-9e67-d1a032782eb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064295
StatusPUBLIC

Content hashes

Canonical text06620dbda99186ecb486f19498fb6b06392232df0b8e111e7e94e940204e5134
Markdown265e6a931f4dc7c7a3d13bd8a2d292e7c61a7774cd0c33ea1db6c5124e5fb2d5
PDF
Publication page8c37ea6a45fd0be8d156fdf0e6c05de6ddbfde481c8c64e8c118fbe0d5dd8d23
Manifest50356a7dfbd2225ad20188b2922be485da8c9906ab74939ba3a4d5fa583b009a

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
SignatureDY3GY15XUqbUjiD3lNAalkKOYnQr6HSxz5jG+xPkK9A1L6llkRAGpOhQgzSTVNp68bU8HaYYtuk6F3EmY3LaDw==
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

2026-09-17T10:36:26.395153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064295
observed 8c37ea6a45fd0be8d156fdf0e6c05de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.378747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064295/manifest.json
observed 50356a7dfbd2225ad20188b2922be485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.361446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064295/publication.md
observed 265e6a931f4dc7c7a3d13bd8a2d292e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.344429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064295/publication.txt
observed 06620dbda99186ecb486f19498fb6b06...
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.