OpenTechnical

OT-2026-000041420

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000041420) never changes.

Identity and time

Publication numberOT-2026-000041420 · never reused
Internal UUID01a0ae79-b145-7c8c-9b5f-a520a1e5c39c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041420
StatusPUBLIC

Content hashes

Canonical texte420ceb622d796208d682291fe53b83765f921c59012ef9d021822b3377cf530
Markdown7fea31eaf47c15d168c66f05b6e219d04b9cafbb402237a59c51a8ea83b46f1c
PDF
Publication paged7760fdd4b7c2bef7e5cd6f6aa001d97ffbbca280f50763a8305e14d02c760db
Manifest12866a1d9983541522fce529e62918e1a1cdca6ad2d105215c0eb630b1767396

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
SignatureCzKpY3eZUBquDtBjvlfLzb/jM+9oZN7F+0mC0FQk3eanPE/ObXho2WERn9JmO5jMGkk6GtNHFdzfNXuWUIL9CA==
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

2026-09-17T11:17:26.234256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041420
observed d7760fdd4b7c2bef7e5cd6f6aa001d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.215460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041420/manifest.json
observed 12866a1d9983541522fce529e62918e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.195539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041420/publication.md
observed 7fea31eaf47c15d168c66f05b6e219d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.176598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041420/publication.txt
observed e420ceb622d796208d682291fe53b837...
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.