OpenTechnical

OT-2026-000089561

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089561) never changes.

Identity and time

Publication numberOT-2026-000089561 · never reused
Internal UUID01a0ae9c-1a21-7c7a-a7e4-04dda5ec98d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089561
StatusPUBLIC

Content hashes

Canonical text82337352bf30b51d9dd05e8c5af6bab1d04b34b99dac193d6468be98d29de4ff
Markdownc28a8bc9c745766c6281885ce31b0668a8bbf9cd46f8c3279308df763091bb87
PDF
Publication paged81eef1fdcfbe7793a96dda69f4c23409df33489287c1a6bdd64e6af3e8c7bd5
Manifestb3ce293e5ea26f1df65f2517fcac8c368063e99fc4ec2891f69040ec3b322ceb

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
SignatureDCBwt0pu5KBY08YDJ/qDF0hmf5hzQj6nypgFXhKraWChZ804rHvjGxQdB5o/fSwJkPphaQk8HlTyYUOg141ZCA==
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

2026-09-17T09:46:31.993463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089561
observed d81eef1fdcfbe7793a96dda69f4c2340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.975419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089561/manifest.json
observed b3ce293e5ea26f1df65f2517fcac8c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.957236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089561/publication.md
observed c28a8bc9c745766c6281885ce31b0668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.939952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089561/publication.txt
observed 82337352bf30b51d9dd05e8c5af6bab1...
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.