OpenTechnical

OT-2026-000071499

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000071499) never changes.

Identity and time

Publication numberOT-2026-000071499 · never reused
Internal UUID01a0ae91-e0ee-7cea-8011-7a4324a8df5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071499
StatusPUBLIC

Content hashes

Canonical text356ae9c3ac3c5a509acd5facc47b64a05898572442d49f08a69312d00242c5ff
Markdownc4318559261653df9cf5887260615fbc914c8e2df2734a7460b1529b2c8de043
PDF
Publication page3364b531cd088221865014d058bf8a424d13e305c03542b68ce8fccf55c04350
Manifest007768e05a24db1b85f219b54b480e4134d308f91432111a9888007d04424beb

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
SignatureDT/5fGkdWBQn5ZhfEk5k7MqtuUysc60fGnBoBs+n0VFkG0jKK4m8xQQnzmRhJApYw4SSJTnzzsTqHCVB/aeNCA==
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

2026-09-17T10:25:08.591311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071499
observed 3364b531cd088221865014d058bf8a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:08.574277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071499/manifest.json
observed 007768e05a24db1b85f219b54b480e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:08.556408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071499/publication.md
observed c4318559261653df9cf5887260615fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:08.538467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071499/publication.txt
observed 356ae9c3ac3c5a509acd5facc47b64a0...
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.