OpenTechnical

OT-2026-000025286

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000025286) never changes.

Identity and time

Publication numberOT-2026-000025286 · never reused
Internal UUID01a0ae71-5fa6-7d2d-ab9f-1f8c7e2a962f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025286
StatusPUBLIC

Content hashes

Canonical text1bbfe72c9e23ae01e857986a06f1f162e922f9ff6b4fb5a9c0176006b85902ef
Markdown11a9a5086c751ce7fa308ec0a86bc89b0b8a98890646dd08b76142a2972f8d12
PDF
Publication pagee0e8f5bc5341d8251aa96c938c5bb0cb7358b3465cae7efb5a329d052a116fde
Manifest5199f51ebe42c0eff12a3f2483cc12180de25c94e0894e65c7e9b0c20928e77b

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
SignaturerefaE3Cw3ECOy0rJpeVZ5A6dDsydOdWtbPGmNKFlC4GL6QPhxVbkqpxbrPYeZB9+J2Y6+ofXqLl66O+QOntFBA==
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

2026-09-17T11:47:17.902884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025286
observed e0e8f5bc5341d8251aa96c938c5bb0cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.885500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025286/manifest.json
observed 5199f51ebe42c0eff12a3f2483cc1218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.868337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025286/publication.md
observed 11a9a5086c751ce7fa308ec0a86bc89b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.852793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025286/publication.txt
observed 1bbfe72c9e23ae01e857986a06f1f162...
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.