OpenTechnical

OT-2026-000045781

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000045781) never changes.

Identity and time

Publication numberOT-2026-000045781 · never reused
Internal UUID01a0ae7d-8f05-71e9-a5ba-5f4dc5c362fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045781
StatusPUBLIC

Content hashes

Canonical text3d6f45d19ac788881be36c59185a00e5a0231de41b122672702743065bebec14
Markdown2c92d9eaa3f78097d4694cb6d537e77b5a0e9a874816e9c2c11a534a53c91a1b
PDF
Publication page06b8dcbfe70f5c261cf8058ffe233892d61c6ed0d542391364e8c55b7c761258
Manifest608aff7f0ac83ce83b244243437e7de0572acb5cc912532bbf13bab988d31938

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
Signature8tuFh1T54QSCR+/nxxNQ+Ysy8q427wgfn4Sa5c4L3dsQW0mi1IcM7+hvuDbrEETCCrZh14sUN4fxLtTujYjSAw==
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

2026-09-17T11:09:38.492766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045781
observed 06b8dcbfe70f5c261cf8058ffe233892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.474528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045781/manifest.json
observed 608aff7f0ac83ce83b244243437e7de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.455985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045781/publication.md
observed 2c92d9eaa3f78097d4694cb6d537e77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.438021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045781/publication.txt
observed 3d6f45d19ac788881be36c59185a00e5...
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.