OpenTechnical

OT-2026-000072912

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000072912) never changes.

Identity and time

Publication numberOT-2026-000072912 · never reused
Internal UUID01a0ae92-c814-71e1-84e6-b1cc5bddd191 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072912
StatusPUBLIC

Content hashes

Canonical text46c7560d333301f7624497e107126e7d0d1073cd7aae4615b819c52e54682050
Markdownd605807044da15ab99519ce0a0e94cee8e2f710764df4225d0566fa4469b4342
PDF
Publication page86519815f92f1ae01b52f0fc2f15f0f30af2b4a506c0229c51c88c11e165c9b0
Manifestac510777eec2e8cdc3d45d72728ec0e2a6a42f32c103df5a279eeb09a6851ecd

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
Signaturesk4s8KeJzNnd3IIpotqfEp3Yl7He6MeUz3xeibCigf7fppv5NdKK5LDg0dMpgq/Zdgfgat+DdPvAIT+YOEVPAA==
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

2026-09-17T10:21:49.398325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072912
observed 86519815f92f1ae01b52f0fc2f15f0f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.380763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072912/manifest.json
observed ac510777eec2e8cdc3d45d72728ec0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.363402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072912/publication.md
observed d605807044da15ab99519ce0a0e94cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.346955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072912/publication.txt
observed 46c7560d333301f7624497e107126e7d...
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.