OpenTechnical

OT-2026-000041564

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000041564) never changes.

Identity and time

Publication numberOT-2026-000041564 · never reused
Internal UUID01a0ae79-e89f-7b00-9095-d5c9763dc4c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041564
StatusPUBLIC

Content hashes

Canonical texte520bf8c0c40e0845e808e848dc970e7e5258effc2c038bd4fbfdb84062d05e0
Markdowna7654db8e268355fdd4181c757d91aea3618f7b7c571456bcb6514dd2edae562
PDF
Publication page7c5082e3e5025089c83f5a6ad2478a2ba61b980379f377b9d52a10617a218251
Manifestcde2e6d75acf07beff255049fc24813271d8febec641b60b92988388147056ad

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
SignatureEkKFdxWPz2BueOQF4+aSOSI/UkzSuIrAcbUqniI5ejYzXW4XiKORS5Lqyf3/SImIrt8RtKj8MkUxlmp9bzOpDg==
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

2026-09-17T11:16:20.715338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041564
observed 7c5082e3e5025089c83f5a6ad2478a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.697485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041564/manifest.json
observed cde2e6d75acf07beff255049fc248132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.680762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041564/publication.md
observed a7654db8e268355fdd4181c757d91aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.664082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041564/publication.txt
observed e520bf8c0c40e0845e808e848dc970e7...
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.