OpenTechnical

OT-2026-000025318

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000025318) never changes.

Identity and time

Publication numberOT-2026-000025318 · never reused
Internal UUID01a0ae71-5fa7-7956-bead-d6716df5d495 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025318
StatusPUBLIC

Content hashes

Canonical text8f75148d53c16e15f149ae2235a0cf83036cd05422e0a47f2cd1a2ab856392d3
Markdown8805828c521ebfd40fb4b4d15f41af2c6c4c4aebdf7af86934dfbc7dd235db4d
PDF
Publication pagee63b013b1051f60d83402a5af5ed6ceb1b740301dbd39aadafe7c2136617de76
Manifest75104a2d1c288fd83e1a0433fc2f714c4769e7186edcf63a47ccbd2dcb2c5a45

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
Signature9OoO412iDzLALAv86A9ZBCyJFRBLzNy7ET4Njw+LX67Yzjtvfz4e0l+iWm1THguJjBdZirY1X8aRurcsUNrsBw==
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

2026-09-17T11:47:20.401972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025318
observed e63b013b1051f60d83402a5af5ed6ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.384961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025318/manifest.json
observed 75104a2d1c288fd83e1a0433fc2f714c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.364133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025318/publication.md
observed 8805828c521ebfd40fb4b4d15f41af2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.347058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025318/publication.txt
observed 8f75148d53c16e15f149ae2235a0cf83...
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.