OpenTechnical

OT-2026-000039870

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000039870) never changes.

Identity and time

Publication numberOT-2026-000039870 · never reused
Internal UUID01a0ae78-d8d6-7234-b4b2-8f9812a44cfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039870
StatusPUBLIC

Content hashes

Canonical text8fe34a0711a721facb84476c4192f0e13edc805f7e24c2232d4e18f4c3e51c4d
Markdown8301a7f3c956b6cc3ce4b8c7ad66fcd715d86e9ae165fcf65f3443a3ae67e963
PDF
Publication page7ec5de4a77dec2d460f8843f2deab2b188d08678313dd2fa8f6c87106c2a41e0
Manifestc92bdb31d152e3dd59e50868c1f83fbf9a0f5d1ee9b05f7ce4fac6fd0d1c9e0f

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
Signaturet/fpWuvBzhrdJ3ri9SeBDV5aEH9PWvz8ysjYKRsh0RxMeVw5yCyyxYGwmKqFuH7Za5cINShmsaDrqJUhrNkfDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:09.105244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039870
observed 7ec5de4a77dec2d460f8843f2deab2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.002781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039870/manifest.json
observed c92bdb31d152e3dd59e50868c1f83fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.982363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039870/publication.md
observed 8301a7f3c956b6cc3ce4b8c7ad66fcd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.962203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039870/publication.txt
observed 8fe34a0711a721facb84476c4192f0e1...
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.