OpenTechnical

OT-2026-000063917

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000063917) never changes.

Identity and time

Publication numberOT-2026-000063917 · never reused
Internal UUID01a0ae8d-53bb-7fe3-8187-f0ce403d6b48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063917
StatusPUBLIC

Content hashes

Canonical text5d7d78641491e3f4923008adbbdd59d3e6475947336cf68ef8e51f9df61ea3d9
Markdown929ffad60b0caa1406aea997bbc10b5ca330480c97fc98e1ffa8d1817876e0a6
PDF
Publication paged3b667c58ad44cd561baffa0b8e047ac39b9868d0f8e7290d1daf95d23536221
Manifest78f495eceb7077bfcd4dc49ddbdafa957e5a5153a66ea32530e4be4b0e82abb2

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
SignaturezcAZH1N1XydW76gRbU6RyePreVanqBI1t4uxydfpAjlRsG/A0JhNiZilyOK2jnO2AR2dXSEh7O2R7SL+FTddCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:58.045680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063917
observed d3b667c58ad44cd561baffa0b8e047ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.028776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063917/manifest.json
observed 78f495eceb7077bfcd4dc49ddbdafa95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.011296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063917/publication.md
observed 929ffad60b0caa1406aea997bbc10b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.992898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063917/publication.txt
observed 5d7d78641491e3f4923008adbbdd59d3...
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.