OpenTechnical

OT-2026-000071485

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000071485) never changes.

Identity and time

Publication numberOT-2026-000071485 · never reused
Internal UUID01a0ae91-e0ed-772a-88a4-5d643e50b8a4 · 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-2026-000071485
StatusPUBLIC

Content hashes

Canonical text22c569cd6e803ab74329a1f7c7e64d00cdc54f39563ccc6557ff04b2617accf4
Markdown3bea1ce6871b72d25d971bfad1629affe4e4a8569f0ddfb162c5c3066081c901
PDF
Publication page18c90ace3ab13ad208baac73ec4561b3053c40de6bf6e8305a4200359777c056
Manifestf0283b33830aad2d4e7a822df44b952b8b739fd5e866f7a7fafa541e288e041c

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
SignatureAJ9YnkN8Jf4jisEW2aGCgO7QHKz+dB8lqxAZfCvjpB0G/TL45gjhe7aWGcQDHSSni0N1e0BjZMTehSha/AhgBw==
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

2026-09-17T10:25:07.683081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071485
observed 18c90ace3ab13ad208baac73ec4561b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.665711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071485/manifest.json
observed f0283b33830aad2d4e7a822df44b952b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.649972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071485/publication.md
observed 3bea1ce6871b72d25d971bfad1629aff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:07.632995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071485/publication.txt
observed 22c569cd6e803ab74329a1f7c7e64d00...
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.