OpenTechnical

OT-2026-000083582

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000083582) never changes.

Identity and time

Publication numberOT-2026-000083582 · never reused
Internal UUID01a0ae98-0415-7dd7-badf-95eb8d1f9e8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083582
StatusPUBLIC

Content hashes

Canonical textd9fde7ad90170f037eca588a0b1eefbec29c238207b3d368ca1644c62a213dda
Markdown95883d8a9cdd96e0a20229370105ddf8c33d706859f1c07355a0f321ffeee5e0
PDF
Publication pagec1ec9673b317fe1e60df78bf75622ca0a3b98a4e37df470072ca8fe082da3678
Manifest06a09c8f5161e9a983e1ad0dd26bbaa3f9bbc1c74e8e599d47ffef4818da7b9a

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
SignaturegeKr2XHYJXvvuRFjSGrYUZEwmCDi4JyUZD6OhtaiyGWxvIOvq74XFX72RgE/rxQQ0mHU7ZTNS+uM93KP5M76CQ==
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

2026-09-17T09:57:04.413634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083582
observed c1ec9673b317fe1e60df78bf75622ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.397806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083582/manifest.json
observed 06a09c8f5161e9a983e1ad0dd26bbaa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.381399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083582/publication.md
observed 95883d8a9cdd96e0a20229370105ddf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.363670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083582/publication.txt
observed d9fde7ad90170f037eca588a0b1eefbe...
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.