OpenTechnical

OT-2026-000063809

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000063809) never changes.

Identity and time

Publication numberOT-2026-000063809 · never reused
Internal UUID01a0ae8d-53b7-7fd5-bc5a-59ad0c9101dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063809
StatusPUBLIC

Content hashes

Canonical textd875d52eccc37193896011c6cd97fc7cec47821b2108a8b61b242c7ebffc1081
Markdownc088b4d5fccc92d1d2a0ffa141a3b1b33516423344705537b35b6f48a6d53509
PDF
Publication pagec2f56281c1400836dcb65d5ab234dce0bbcf86d1f31f582c7009bed1775b7379
Manifestd86b7e211396814c1175f695d3cbfa1beda34c08e0a60be88078cad20013626c

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
Signatureugekyv9fVZzX3J+5k7yGUYs3/Vj0WuHrQKBpeKtD7pu8u0lGXEPGDGxr9dFt59tNjVDUcN6Adn2DsGl+m0eqBw==
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

2026-09-17T10:36:49.636408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063809
observed c2f56281c1400836dcb65d5ab234dce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.611896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063809/manifest.json
observed d86b7e211396814c1175f695d3cbfa1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.592139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063809/publication.md
observed c088b4d5fccc92d1d2a0ffa141a3b1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.573558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063809/publication.txt
observed d875d52eccc37193896011c6cd97fc7c...
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.