OpenTechnical

OT-2026-000101471

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101471) never changes.

Identity and time

Publication numberOT-2026-000101471 · never reused
Internal UUID01a0aea4-0e14-7f96-9357-f05862477f23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101471
StatusPUBLIC

Content hashes

Canonical textaf7783e9129d3e7e77f73959d284ea233a01faed440a71c158a522d09080713d
Markdownc4a353e8b0fb8468a51baea4e3dd5f6ef5e0d534036cd711ef524c90fa063bd0
PDF
Publication pagef292dd383804710d3105d4b912cfbc4f0f9d2146ac5dafe61d2d634a09e0ff00
Manifest1bf01b4679b7c72be5db87d4d0c5bb7ff1d53d2f25fc827ed4e7db3f270bd826

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
SignatureZ/xWp8H5VezIL21r48aXLa2p3j4JUX1XqJUdskXqPHAFGg2m6VJY2y6CZuWqh4zGbdvM7CD1pnV/LaYVx2qgDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:03.145908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101471
observed f292dd383804710d3105d4b912cfbc4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.125885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101471/manifest.json
observed 1bf01b4679b7c72be5db87d4d0c5bb7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.107393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101471/publication.md
observed c4a353e8b0fb8468a51baea4e3dd5f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.087605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101471/publication.txt
observed af7783e9129d3e7e77f73959d284ea23...
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.