OpenTechnical

OT-2026-000097487

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000097487) never changes.

Identity and time

Publication numberOT-2026-000097487 · never reused
Internal UUID01a0aea1-55b3-72b6-b578-6d3b9d06042b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097487
StatusPUBLIC

Content hashes

Canonical text1e51ae2149a931e86b8d6394151afc9acfed62ff8b7396f112a926527a2e18b0
Markdown6637dbc01a483b3a05ad29795a4d19f61093de69554ab3d013dea79ff7315705
PDF
Publication page7f0b001266cd69b017a69760d48bc0d9d9eb4c4cb2c7494b8eb89f9be36039da
Manifeste1b9d8b97265d42fdf7240f69ea03bb12e7d3529d60bad9092bd7460b5f46359

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
SignaturekPpkuBI0EInE8DDtOuPI+jpzVTnfrSOIpgZUZ/IG9uvnt0KXffHHRCsKyszFan1hKpL05ab055ExQe0jlLGUAw==
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

2026-09-17T09:33:21.527944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097487
observed 7f0b001266cd69b017a69760d48bc0d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.511047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097487/manifest.json
observed e1b9d8b97265d42fdf7240f69ea03bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.493358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097487/publication.md
observed 6637dbc01a483b3a05ad29795a4d19f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.468971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097487/publication.txt
observed 1e51ae2149a931e86b8d6394151afc9a...
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.