OpenTechnical

OT-2026-000045619

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000045619) never changes.

Identity and time

Publication numberOT-2026-000045619 · never reused
Internal UUID01a0ae7d-8f03-7fae-a576-c8892ea09ed3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045619
StatusPUBLIC

Content hashes

Canonical text40badf6065443ffb6eced22c8606c17cb27c9d38dc88e00999431314cedd82bc
Markdown4c254c63235c19c8935c9986ec45b3be6a4f2d246a827e92c9dd718e3f88925e
PDF
Publication pagebff4cb7bfaa8b5e3d38ed7b7d9c37c93afc9c16caec083d68c681a5506850e48
Manifest920bf6f60ce844907f83303d3406ebb08fd53b28487c656a6d55d9aca14941a1

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
SignatureurRYkFgxYegcgAiJaZ448RKFd6KbTqByzInHEwNmkqDlVhB6kJ3rcjiRfJs8yjXKVqdEPqFea6vVWaE19meICg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:23.933233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045619
observed bff4cb7bfaa8b5e3d38ed7b7d9c37c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.913142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045619/manifest.json
observed 920bf6f60ce844907f83303d3406ebb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.893893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045619/publication.md
observed 4c254c63235c19c8935c9986ec45b3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.874321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045619/publication.txt
observed 40badf6065443ffb6eced22c8606c17c...
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.