OpenTechnical

OT-2026-000064198

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000064198) never changes.

Identity and time

Publication numberOT-2026-000064198 · never reused
Internal UUID01a0ae8d-a45f-7904-8283-c107f315597a · 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-2026-000064198
StatusPUBLIC

Content hashes

Canonical texte368ff65c8f8c2c6a9b5b8c64f450ee09ea43037e504762416b271190fe4dd12
Markdownc74718595de2d4c93cb4ff692c6b709254b7a3c120decd6dc180c7399c4560ad
PDF
Publication page9d7d03d608c56466c9644bc2f68a4c1cf5bbc820e7e80329cdb50649d9262a28
Manifest084f2339eb80b9d86593998222d7743ddfd06963fd1e392e0d02ef60c2fbf1fb

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
Signatureb42pBjSS3UpYUfOQAn0yqfrS9MLXX/mrCYWttDmJe4Ew4f35+UzId+5VeNGjH/1sxtKFH0EapzZyyIQVTeJLAA==
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

2026-09-17T10:36:18.825904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064198
observed 9d7d03d608c56466c9644bc2f68a4c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.806378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064198/manifest.json
observed 084f2339eb80b9d86593998222d7743d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.785596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064198/publication.md
observed c74718595de2d4c93cb4ff692c6b7092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.765320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064198/publication.txt
observed e368ff65c8f8c2c6a9b5b8c64f450ee0...
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.