OpenTechnical

OT-2026-000030152

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000030152) never changes.

Identity and time

Publication numberOT-2026-000030152 · never reused
Internal UUID01a0ae73-e500-7855-ba59-b59db2a0cc00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030152
StatusPUBLIC

Content hashes

Canonical text94f32b66e7c4eabe6b80064d963bccd58b9f53d7427eb3e89b8d0a3bd8554046
Markdown93e9038ad61e89951f0a8c8e6ad16f4bc2a0fa3a08b19dd55d9a852082691624
PDF
Publication page092bfab92cacf594eba115f280f7ddba34f0c52fd5a5635e2c69288b5928dcc3
Manifest5a4d63b916c0b0284b5db4e265bbe8b55074a6e02a1097f19aa1a34073c1116f

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
SignatureNSONSCXTkxG9Nv7I9As40AjrKV1Gsn5RPPYhi1g8pn/ycnegAVc7b/l+K4ANNFWm8xTFoPPpS5dBq+JsrtXzCg==
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

2026-09-17T11:40:23.885527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030152
observed 092bfab92cacf594eba115f280f7ddba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.865792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030152/manifest.json
observed 5a4d63b916c0b0284b5db4e265bbe8b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.846728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030152/publication.md
observed 93e9038ad61e89951f0a8c8e6ad16f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.828135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030152/publication.txt
observed 94f32b66e7c4eabe6b80064d963bccd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.822958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030152
observed 092bfab92cacf594eba115f280f7ddba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.805990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030152/manifest.json
observed 5a4d63b916c0b0284b5db4e265bbe8b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.788613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030152/publication.md
observed 93e9038ad61e89951f0a8c8e6ad16f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.771124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030152/publication.txt
observed 94f32b66e7c4eabe6b80064d963bccd5...
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.