OpenTechnical

OT-2026-000078502

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000078502) never changes.

Identity and time

Publication numberOT-2026-000078502 · never reused
Internal UUID01a0ae95-7c29-75df-a6dd-e1987894a5ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078502
StatusPUBLIC

Content hashes

Canonical text85c07e4ed6ae35f0953df53a81f216cf698de3e0f3f3c482804bc74310088273
Markdown3dadfd36ca11e62d81228dfa6349842608dddfbd1ac092a330e6fa4d71d9eb32
PDF
Publication page0b9763ccdbecc78e397070bb1860a477b81fcb4aa7f057c92347e15551d06091
Manifest9008998fe502d97a69277fbf7c51d997c70355540b3d6808a5c31139fd3f2f0f

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
Signature2QpWfkezewVTDmFa4ZHN7+zT9Du3xg901jFZSW4/FCRCGWL+ycXgGbSkLHQUR5cXtAiMkODPwMF7LdAT57e2Ag==
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

2026-09-17T10:06:30.877188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078502
observed 0b9763ccdbecc78e397070bb1860a477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.858791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078502/manifest.json
observed 9008998fe502d97a69277fbf7c51d997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.840765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078502/publication.md
observed 3dadfd36ca11e62d81228dfa63498426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.823208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078502/publication.txt
observed 85c07e4ed6ae35f0953df53a81f216cf...
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.