OpenTechnical

OT-2026-000066855

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000066855) never changes.

Identity and time

Publication numberOT-2026-000066855 · never reused
Internal UUID01a0ae8e-ce43-7d08-aa85-cb128f0c7a18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066855
StatusPUBLIC

Content hashes

Canonical textc682d2b2a75bdba76a69e8d248eae105654dad7b872e8fc78264fc6d98d72625
Markdowncdfa36026817c974c301c9d12c9fc52bf20a0896471a1787a7601c3dbb12aa94
PDF
Publication page8a0eef102ef2e7c859568605bc87750842e1fd7f7396948e94ac63c3b60272d1
Manifestec2211f328086337a3b6c7c50d5a3acbeff029ae8a49aebaa73be9bbf0a7a179

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
Signature1y0b7imoakzfd0jg+ZLmUmmlC2yq4YZD9ttdAHvju8kZwyfyTAAfgperCg4y/pbsyuO/TyBguItJ0ueaiDNGBA==
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

2026-09-17T10:33:17.777150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066855
observed 8a0eef102ef2e7c859568605bc877508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.759809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066855/manifest.json
observed ec2211f328086337a3b6c7c50d5a3acb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.743932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066855/publication.md
observed cdfa36026817c974c301c9d12c9fc52b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.726504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066855/publication.txt
observed c682d2b2a75bdba76a69e8d248eae105...
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.