OpenTechnical

OT-2026-000015346

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump 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-2026-000015346) never changes.

Identity and time

Publication numberOT-2026-000015346 · never reused
Internal UUID01a0ae6d-ef49-7df5-bcbb-e4a029c0d026 · 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-2026-000015346
StatusPUBLIC

Content hashes

Canonical text798e012c59a38e6e11a850266af09105794ca01bb8c0e9b17d5512e3c79a7e90
Markdown0c6ce7accb6fe9bb195217d0479a792157196ac99e305e8fb714991c655bd8b8
PDF
Publication page77adfea83d200b3dfd76d6928f4af90727e557538ed82b3e91c4ee5c31c4ba56
Manifest930ec96454fc92f801ab50fba05a3e98d8ad917472dacb7691a534ea3c5a5653

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
Signature6DCzHCmKRhHp8gOAWfxbmHQuUrqBQjGeiqCTKaQLVxfySUYyUYu9XFzZyBiSFwgrMXbvkuBuOVTvwTKWjlYiDg==
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

2026-09-17T12:06:03.011174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015346
observed 77adfea83d200b3dfd76d6928f4af907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.992321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015346/manifest.json
observed 930ec96454fc92f801ab50fba05a3e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.974605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015346/publication.md
observed 0c6ce7accb6fe9bb195217d0479a7921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.955734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015346/publication.txt
observed 798e012c59a38e6e11a850266af09105...
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.