OpenTechnical

OT-2026-000069452

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069452) never changes.

Identity and time

Publication numberOT-2026-000069452 · never reused
Internal UUID01a0ae90-b52a-70b4-acd7-521c33b2d498 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069452
StatusPUBLIC

Content hashes

Canonical text131cfd5e44fccaff29df8a2da553432cb8dcadca05f1e3da00889b6f6875ae78
Markdownf4479350249d6189d1337f2904f5daa74b16b703e0a2ac09150859f3b4e141fd
PDF
Publication page13224cf99e309e96b3fb0b7d2240e0321d7ac4cacf965fd86d48e0bb0fe5b38c
Manifestcd11595748f6336475c7d2fe0b2a087f2c5cc62e6d96147008384b473d38cfee

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
SignaturedX/zIhmPc4Tu3aF3UjwExqvSVboESSA0UDteaNv1fKodh5zhdrLWBJzq3kwm8vkpwJJd7zmgb8+XI5kAkzX8DA==
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

2026-09-17T10:30:21.757352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069452
observed 13224cf99e309e96b3fb0b7d2240e032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.741276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069452/manifest.json
observed cd11595748f6336475c7d2fe0b2a087f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.724352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069452/publication.md
observed f4479350249d6189d1337f2904f5daa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.703246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069452/publication.txt
observed 131cfd5e44fccaff29df8a2da553432c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.903095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069452
observed 13224cf99e309e96b3fb0b7d2240e032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.886428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069452/manifest.json
observed cd11595748f6336475c7d2fe0b2a087f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.869839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069452/publication.md
observed f4479350249d6189d1337f2904f5daa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.852770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069452/publication.txt
observed 131cfd5e44fccaff29df8a2da553432c...
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.