OpenTechnical

OT-2026-000015601

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000015601) never changes.

Identity and time

Publication numberOT-2026-000015601 · never reused
Internal UUID01a0ae6d-ef4c-7d16-bc6a-d2ebc897eddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015601
StatusPUBLIC

Content hashes

Canonical text891a4233575be62d1a087b7bf2fafe2f93da4df1c355ff47214129b9d068e3b2
Markdowna34637bcb33f66c8828fc416fe3316219799339fa2c86a981f4d469ffe1edfd2
PDF
Publication page384b691fb93deaabfc00747cb366ebe01b5e51427bc7daf85d953fb9f0a64b87
Manifest02434c9c6b2acdd6a0189c207950033fa0a79706e5bb60f1872e6b5c07a1011a

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
SignatureDMTXtqv57EI7jSD2Wi17JCMCqWZrsSkyL+oJKKK6oIxqOQ5zEihVzc8E3zZmbWdX6Nww9C1njsdbPlgerXrlAA==
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

2026-09-17T12:06:24.250264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015601
observed 384b691fb93deaabfc00747cb366ebe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.230787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015601/manifest.json
observed 02434c9c6b2acdd6a0189c207950033f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.210156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015601/publication.md
observed a34637bcb33f66c8828fc416fe331621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.191227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015601/publication.txt
observed 891a4233575be62d1a087b7bf2fafe2f...
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.