OpenTechnical

OT-2026-000014771

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000014771) never changes.

Identity and time

Publication numberOT-2026-000014771 · never reused
Internal UUID01a0ae6d-d094-7fb4-b3ce-e3d9807d0a97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014771
StatusPUBLIC

Content hashes

Canonical text7b3d8e5b6f3095389f87613d116040635235d6de94fc27e63b40adc086a8dc41
Markdownff4293d5d5b79e9dde82bff2944496c2d79ee723adba086972d426300f338d32
PDF
Publication page01f01b075fb78dd841fdf97ea8cbb9f84e2814e2ffe7e21d68855f7b9bf1bdc4
Manifest0822bdde72baec0f26da6131c60b7ae4960be7c099b4f0f83b2acfcd292860fb

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
SignaturepYyHc0gic6wLchOAsOtU6wsOExoc3lbKDDVwAvxKXNmKDNHY5VZfgcgj99Q4kP/xFp4e2mly0d4dm66tqyQ9DQ==
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

2026-09-17T12:06:39.526934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014771
observed 01f01b075fb78dd841fdf97ea8cbb9f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:39.508468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014771/manifest.json
observed 0822bdde72baec0f26da6131c60b7ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:39.491275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014771/publication.md
observed ff4293d5d5b79e9dde82bff2944496c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:39.472316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014771/publication.txt
observed 7b3d8e5b6f3095389f87613d11604063...
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.