OpenTechnical

OT-2026-000080220

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000080220) never changes.

Identity and time

Publication numberOT-2026-000080220 · never reused
Internal UUID01a0ae96-7e76-79f3-9d6f-1b90bd4a6572 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080220
StatusPUBLIC

Content hashes

Canonical textc2c4d046d7eece8d810ea1a61c9ce5eff1e60608524d7ab36487f5ce50a43fab
Markdown47051e2d8984dbb6727867b74e060ba9762521c3b4ee068536a988b7d5f01ac3
PDF
Publication page30d8fcc638dcde2b97a2280ab44b235de4e26b2c980193840c10aba85a1b9f16
Manifest3dccbf6ad3ad99e810e3bb560f6a152054f15956ed41db864795558e23d9a0af

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
SignatureqYs6pX4r7SaShs/8mKBhj709rQvQhGhytity1MZpqoFAqKjceDam2aSdx2aO8Iv0AfL4QYREtGC2Ksc2UQO6AA==
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

2026-09-17T10:02:40.438686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080220
observed 30d8fcc638dcde2b97a2280ab44b235d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.420197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080220/manifest.json
observed 3dccbf6ad3ad99e810e3bb560f6a1520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.368143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080220/publication.md
observed 47051e2d8984dbb6727867b74e060ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.314803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080220/publication.txt
observed c2c4d046d7eece8d810ea1a61c9ce5ef...
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.