OpenTechnical

OT-2026-000018903

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000018903) never changes.

Identity and time

Publication numberOT-2026-000018903 · never reused
Internal UUID01a0ae6e-d522-71b4-bf58-5aba1f32485d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018903
StatusPUBLIC

Content hashes

Canonical texte54341928c9a17ef9f1283839bb7114b833347268d209d18db4d7d3b3b52dea3
Markdown5ae5d52402979ddabe4dd1d371b51d4591ef913db8e15d6788b746660a6a8b0c
PDF
Publication paged0d96e61957c6a2ec06e319b532556066256dda4dcbb6bc3fc6ada3159c50045
Manifeste5c17c22879da98cdef3ebb484ae3858d6d4962a7c8d0fcbffff6e0bf9f46ab6

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
SignatureuBA+7tG2ztuovGfRdEkp40XbJi4uTeAKFIJK4/MnID4zGrw+IEhLfNgrk8OpgtYtIOInqQoINFQ7OeBJovbvAg==
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

2026-09-17T11:59:32.473561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018903
observed d0d96e61957c6a2ec06e319b53255606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.454466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018903/manifest.json
observed e5c17c22879da98cdef3ebb484ae3858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.437590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018903/publication.md
observed 5ae5d52402979ddabe4dd1d371b51d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.419037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018903/publication.txt
observed e54341928c9a17ef9f1283839bb7114b...
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.