OpenTechnical

OT-2026-000066749

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000066749) never changes.

Identity and time

Publication numberOT-2026-000066749 · never reused
Internal UUID01a0ae8e-ce42-7940-b6b8-dfd10c5410ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066749
StatusPUBLIC

Content hashes

Canonical texte02828a2eff26060887bde6a4fc92738240c36d34185b975e6a6aada9614ab6e
Markdown4e34d22e52cd2e089c483ac9de4843e769b8c6d134a7e75e7465314cd3e5edd4
PDF
Publication pageac543aa07847ed3839e805f6b883f2e7419ee4f59ea8a4c8cc475629a093bb93
Manifest5809233e06fdf08314cbb05f0505c7dccf713aefefa05665246c26a6f864afdb

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
SignaturePqJmrLA0q1uYCFUUT1yOMrthfWYDruki8QQ0kA0/AVck6ghfFDXD5a6I94lEtFmPGviUau1PlPb7N0ydwQU6Dg==
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

2026-09-17T10:33:09.638400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066749
observed ac543aa07847ed3839e805f6b883f2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:09.620425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066749/manifest.json
observed 5809233e06fdf08314cbb05f0505c7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:09.602016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066749/publication.md
observed 4e34d22e52cd2e089c483ac9de4843e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:09.585810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066749/publication.txt
observed e02828a2eff26060887bde6a4fc92738...
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.