OpenTechnical

OT-2026-000072896

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000072896) never changes.

Identity and time

Publication numberOT-2026-000072896 · never reused
Internal UUID01a0ae92-c814-7510-8083-ef5aff83c5ae · 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-2026-000072896
StatusPUBLIC

Content hashes

Canonical text754ae69fb3658b7f00ffaa31862019d7a6eb3a0155defacf8812a94a35ebc7c5
Markdown4553b5dd8003e3614bf0ffde623162ba927522cf696b3a18c2b02a3fb47c6623
PDF
Publication pagebb582efec7c4cb0366ad57b8c915980d66ca9a3197ffac15cbdf3d4c0e4ce93a
Manifestbbf98401e3d452d0237d99465d64953de1d9700e540210a2675b330ac016162c

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
Signature2ImxoP4xRaBsMvioS8rHYAOXPL3xVlN7sqdQPj409RH1hZGxzvPq/ogtID/LuDxVSO2R1pg98EcRtTC7xqT8DQ==
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

2026-09-17T10:21:48.106166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072896
observed bb582efec7c4cb0366ad57b8c915980d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.088045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072896/manifest.json
observed bbf98401e3d452d0237d99465d64953d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.071034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072896/publication.md
observed 4553b5dd8003e3614bf0ffde623162ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.051917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072896/publication.txt
observed 754ae69fb3658b7f00ffaa31862019d7...
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.