OpenTechnical

OT-2026-000020773

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000020773) never changes.

Identity and time

Publication numberOT-2026-000020773 · never reused
Internal UUID01a0ae6f-65e3-79c2-a0d3-0828b3cf79c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020773
StatusPUBLIC

Content hashes

Canonical text3f432a7161ea52a5994e9a447e596120162151a001672b3bd453b5093c01bdd4
Markdown7d30ed2fa2b407b3500dff7dbac9ca519939b5dadfc479a10723692d59bb15c6
PDF
Publication pageceaa0be373ee2d8e7408866c9335968bd0fbc876a5009d71d7be4e2c678f32b8
Manifest50ab9ed6c8967bddeee84ba373ee8225491a275307238c5d90b5b0e535d96b25

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
SignaturectZuFEiavmNYhrHc+ms+yVkSO08vMWIbbwARClHf5j3vUPU1XCa5TADzqkokUjzH/LewYIsPDcuimdscLmPmCg==
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

2026-09-17T11:55:51.053574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020773
observed ceaa0be373ee2d8e7408866c9335968b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.035173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020773/manifest.json
observed 50ab9ed6c8967bddeee84ba373ee8225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.016021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020773/publication.md
observed 7d30ed2fa2b407b3500dff7dbac9ca51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.997396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020773/publication.txt
observed 3f432a7161ea52a5994e9a447e596120...
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.