OpenTechnical

OT-2026-000030297

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000030297) never changes.

Identity and time

Publication numberOT-2026-000030297 · never reused
Internal UUID01a0ae73-e501-7e3c-be30-d90a28efed94 · 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-2026-000030297
StatusPUBLIC

Content hashes

Canonical textbe2321a3078ff69e36f72f8458b3cb970af7058c74d5b39ba70d5a01ded5211f
Markdowna2a01d90e3cb9cedbb5884c46fa87c2488531b7b36538f47b4a537a00e87ae8c
PDF
Publication page4c8831b0a6d7b71d039bed913aa6bce9c28adf680a86dcca5b9336b152b680e3
Manifest8c73fa87c55f9b4b2ed32885a4c1dc9897ccb6df7bee40c3a46772d0776d32cf

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
SignatureiJ3iKxsLex6ODT3t5+3cZXX9vSY5EqQddekGd74vHWieivQTVFSsXGTfzRggHyUqlE4RVXwXk+Fu0cXqNLSmCw==
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

2026-09-17T11:37:58.082115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030297
observed 4c8831b0a6d7b71d039bed913aa6bce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:58.063795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030297/manifest.json
observed 8c73fa87c55f9b4b2ed32885a4c1dc98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:58.042891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030297/publication.md
observed a2a01d90e3cb9cedbb5884c46fa87c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.998499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030297/publication.txt
observed be2321a3078ff69e36f72f8458b3cb97...
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.