OpenTechnical

OT-2026-000071306

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented before 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-2026-000071306) never changes.

Identity and time

Publication numberOT-2026-000071306 · never reused
Internal UUID01a0ae91-e0ec-78d8-881e-fdec0b2c6593 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071306
StatusPUBLIC

Content hashes

Canonical text1c52dad4c3043c32c261c7da3d60648a1c6c1ecb8ce533a549c96fac12046cc6
Markdowndd0658767a58e45f1a49e3751b59526dfddbc6f50f632e14dbddb0c31aad68ba
PDF
Publication pageee7c34b104d1664c969773cb64cc9eb6c9a9bdb64c08bbcd182ed1695de987f5
Manifest11b541ad16aaab659d0053b5ab55cc3ae4dc6573d7c6547b60d8d51a5ac03ba3

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
SignatureuVR5gE1fO8RzIo6wCLfF1qHD2XaK+9y/YR0buQ+B7iWjdlrrUlcqW7nJm+DIHyush81qPk/Ou6JbbR8OqhGzAw==
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

2026-09-17T10:24:53.602154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071306
observed ee7c34b104d1664c969773cb64cc9eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.584887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071306/manifest.json
observed 11b541ad16aaab659d0053b5ab55cc3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.566598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071306/publication.md
observed dd0658767a58e45f1a49e3751b59526d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.546873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071306/publication.txt
observed 1c52dad4c3043c32c261c7da3d60648a...
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.