OpenTechnical

OT-2026-000071154

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000071154) never changes.

Identity and time

Publication numberOT-2026-000071154 · never reused
Internal UUID01a0ae91-e0eb-7597-8adf-571a5d271ed3 · 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-2026-000071154
StatusPUBLIC

Content hashes

Canonical textc76a998a89f0934490aa08e83fec9ae6b41d182b617830eb446f4dd42aa95010
Markdown889ea03134cd7d15f434395c2f1adb46509fb449a96cdfa7adfe267e2efdb203
PDF
Publication page23906361c984021011f62d3cee28ba19c8896c75d65a16f5568de27ae2ad467d
Manifest692fc2614d1ac36e2791003801f4ec63a7369ce19d138807ba1f396f41b24a82

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
SignatureSxdTP9LX4swYPw4YpxSgPw4Xegp9oRHYKFZzIkyXG6GpJmF3Elf+pW5efCotP7F0ra1Ohri2+ocZGU4mOvQ0Dw==
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

2026-09-17T10:24:39.592804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071154
observed 23906361c984021011f62d3cee28ba19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.577599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071154/manifest.json
observed 692fc2614d1ac36e2791003801f4ec63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.562436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071154/publication.md
observed 889ea03134cd7d15f434395c2f1adb46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.546397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071154/publication.txt
observed c76a998a89f0934490aa08e83fec9ae6...
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.