OpenTechnical

OT-2026-000012302

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, pulsed 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-2026-000012302) never changes.

Identity and time

Publication numberOT-2026-000012302 · never reused
Internal UUID01a0ae6d-39f5-76c8-95cd-2a9c69215a3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012302
StatusPUBLIC

Content hashes

Canonical textace5c7a8e4ba14a64af42f3c73a5f91e1fe809791772ce8250b2b3e11289ff3d
Markdown3bd640069f58216c7a41b7dc8306bac5fc9d6a9dd18c00d2b88d38c37ddb1bc8
PDF
Publication page6122ad35b37cbf146e32dc0c24651eaf0359ba6a71fc6db7e6bfca1487d5c0c8
Manifest9c5b16d137ec7406eed1bba7435cae975ce28236c97baf003f6d683f07809f69

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
SignatureOpVkLGlfnb7cotLw2Rasx3rULoQcQiXGmM8PzuLYLsaQqKPl6jlA0NLTveabX38ESOD2O7enNeUWeDLiuOsxCg==
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

2026-09-17T12:11:14.736160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012302
observed 6122ad35b37cbf146e32dc0c24651eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.716261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012302/manifest.json
observed 9c5b16d137ec7406eed1bba7435cae97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.696914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012302/publication.md
observed 3bd640069f58216c7a41b7dc8306bac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.678492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012302/publication.txt
observed ace5c7a8e4ba14a64af42f3c73a5f91e...
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.