OpenTechnical

OT-2026-000025125

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000025125) never changes.

Identity and time

Publication numberOT-2026-000025125 · never reused
Internal UUID01a0ae71-5fa5-7521-b5dd-4aaed3d53960 · 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-2026-000025125
StatusPUBLIC

Content hashes

Canonical text67ed1d6051f44ba298536a5c5095186ee747b4f99544680525c2d8a38a864ac4
Markdown7c81c56cffc75538ecf07dcc0150c50ef061cfbac501dffecfb0c21b5dca095b
PDF
Publication page1246413c8bacd59abad40f099c284127dc56e5f42563ba52c00e5a7e84f03a21
Manifestb60f019578070211bff2492ba3660f3618e3c595e1d34353fe609283890c089c

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
SignatureAgEi/i8T/5dkA9JgnPONHpprYt3Km64XLCyls3GVYhSGQICnAVV/3vmcnfPEjXRBY1QCJVuDfB8oe6rHGTFwAw==
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

2026-09-17T11:47:00.206678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025125
observed 1246413c8bacd59abad40f099c284127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.189355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025125/manifest.json
observed b60f019578070211bff2492ba3660f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.169191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025125/publication.md
observed 7c81c56cffc75538ecf07dcc0150c50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.152764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025125/publication.txt
observed 67ed1d6051f44ba298536a5c5095186e...
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.