OpenTechnical

OT-2026-000093619

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000093619) never changes.

Identity and time

Publication numberOT-2026-000093619 · never reused
Internal UUID01a0ae9e-508b-7d54-8682-32d87a75664c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093619
StatusPUBLIC

Content hashes

Canonical text1a7efe639bf787c2557146acd20a00e0a35ad3dd948f8808ae7acaefe1a49bd8
Markdowna0b5aee1f094fc0c888cf9d6cfba77c4ce33f89562ce33293a939c30173cb69a
PDF
Publication pagee54e2e863100a6e8ec62b2ec35d0532be9af892ef21a9b9e32acc9d11dbfcd66
Manifestff2e0c64cb51c4e48bdc7c661e6dcf3d476277e12be882fe88f7177aa485345b

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
SignaturesuPYKclY/LqiA4B4H6YAQG3+NCkw8tEZSsyvbO0z1SuQ8u5n+NREvBYnus8Dl9AziDtrEkAIJAdMGMBykQ2cBg==
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

2026-09-17T09:39:40.091268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093619
observed e54e2e863100a6e8ec62b2ec35d0532b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:40.074600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093619/manifest.json
observed ff2e0c64cb51c4e48bdc7c661e6dcf3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:40.057301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093619/publication.md
observed a0b5aee1f094fc0c888cf9d6cfba77c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:40.040484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093619/publication.txt
observed 1a7efe639bf787c2557146acd20a00e0...
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.