OpenTechnical

OT-2026-000065721

Publication integrity record

Three cup vacuum gripper, three 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-2026-000065721) never changes.

Identity and time

Publication numberOT-2026-000065721 · never reused
Internal UUID01a0ae8e-46fb-723e-b2f5-6a67f63e9e9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065721
StatusPUBLIC

Content hashes

Canonical texta6a51306b545e2bcaac680d987d6f9a089652e1672f14d6701783df43b9549da
Markdown26bf1d6b4056ce64ff3fb68187da72a27e273f257e60e50739e72b94c9b1d7a8
PDF
Publication pageec3d0d17ec9fe69300c8f6408e78c5614d32cc8dd4653eb9c5444178a15b10e1
Manifestb0ac537a165b5ec6ece575fc0ab0d6250657f1696d44646fdc1a38c2da41d632

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
SignatureAdEcEPXzoApaQWEisOYL9APM0ZwUPUdYjHZpMxDrLlDD0oja8i0bj6MiveOt0cm6ppaEzsL+hunVKduUikN+Aw==
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

2026-09-17T10:34:08.561324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065721
observed ec3d0d17ec9fe69300c8f6408e78c561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:08.541781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065721/manifest.json
observed b0ac537a165b5ec6ece575fc0ab0d625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:08.520224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065721/publication.md
observed 26bf1d6b4056ce64ff3fb68187da72a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:08.500681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065721/publication.txt
observed a6a51306b545e2bcaac680d987d6f9a0...
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.