OpenTechnical

OT-2026-000027436

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000027436) never changes.

Identity and time

Publication numberOT-2026-000027436 · never reused
Internal UUID01a0ae72-6998-7d9d-b03a-38b816c39675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027436
StatusPUBLIC

Content hashes

Canonical texta4e6ee52b48efbd3227da37f68c1312e3e742ba0079b8ac02128c4156543ca17
Markdown32350ed595aca8821ec0966fbc60f083312ea44027a2a3a253ecca592ac2c5dd
PDF
Publication pageccd22fd6f914060fbe6b0e0e0915cfcae5c2ea33657035956cabd733d78fca53
Manifest667bf13767d77dd21c1fc1e649e785d10ab43a85b8c90c9c6eec3eb71aab29c9

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
SignatureMxUtVGlZSxBDmQrnMHJrXSyv9hig+WAbIWwfnCYFVKuhfLpROvC4SbgGeXqs7exPJa2v56lsxXAoES+t/B9WCQ==
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

2026-09-17T11:42:53.235396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027436
observed ccd22fd6f914060fbe6b0e0e0915cfca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.218814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027436/manifest.json
observed 667bf13767d77dd21c1fc1e649e785d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.199560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027436/publication.md
observed 32350ed595aca8821ec0966fbc60f083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.180844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027436/publication.txt
observed a4e6ee52b48efbd3227da37f68c1312e...
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.