OpenTechnical

OT-2026-000097483

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000097483) never changes.

Identity and time

Publication numberOT-2026-000097483 · never reused
Internal UUID01a0aea1-55b3-73e5-84f8-72dd55cc4867 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097483
StatusPUBLIC

Content hashes

Canonical text2ebec21be358e3c7fa53ac3acfc752535c339cf7a1f710576a421e5ca3d33b22
Markdown27e3fc8e2a241512b0aa1b602e9f0580256db8889c83298b78df5e0822212151
PDF
Publication pageed236ed91fd8a7d3100cec70c10f4e9f1c1d56d385f41a3bb2168951b34ff085
Manifest337521be40e59d0c850bf5a9bb75c2d179b47edb939d09e7ea43d0eb3f81283b

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
SignaturedAtvkFcgKWA+IJFilbbQfWs3j28sC1vJfOHKsI2UWdPH3Cd1FM8+oTV/K4IKqhe4OgVz69d89kPJvNWSYj8OCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:21.237557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097483
observed ed236ed91fd8a7d3100cec70c10f4e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.221533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097483/manifest.json
observed 337521be40e59d0c850bf5a9bb75c2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.206098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097483/publication.md
observed 27e3fc8e2a241512b0aa1b602e9f0580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.190724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097483/publication.txt
observed 2ebec21be358e3c7fa53ac3acfc75253...
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.