OpenTechnical

OT-2026-000079344

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-2026-000079344) never changes.

Identity and time

Publication numberOT-2026-000079344 · never reused
Internal UUID01a0ae96-0b90-7cdd-99b7-b7fc95f46925 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079344
StatusPUBLIC

Content hashes

Canonical textebe9a318941705cf32ecc90d4a12815649e6eeeed920264dbf6a4c2a03ef6dc8
Markdown9001632adfdd1f348751c48d75a8f7dc1b002ead8ba8bd4f14440282b0e36b7c
PDF
Publication page8f588640c3aae6a9dcbb20e200ddae5a7a551999243993395ba860bd8bd694c3
Manifestc6189cd224d10275bc173bbd2605d6a91d60967e4818184ef343faaf858d8780

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
SignatureFTwfNv5BBvx6ESDKA/yXAtO1SnbV1SJRL4e06FtHvRStVG7Ei87fBo6kv0HIZC45/TU+d1/aTExs10SYlueJBQ==
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

2026-09-17T10:04:57.572723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079344
observed 8f588640c3aae6a9dcbb20e200ddae5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.555948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079344/manifest.json
observed c6189cd224d10275bc173bbd2605d6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.537004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079344/publication.md
observed 9001632adfdd1f348751c48d75a8f7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.516068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079344/publication.txt
observed ebe9a318941705cf32ecc90d4a128156...
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.