OpenTechnical

OT-2026-000038097

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038097) never changes.

Identity and time

Publication numberOT-2026-000038097 · never reused
Internal UUID01a0ae77-f88b-7c19-81cd-21fda2fa81c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038097
StatusPUBLIC

Content hashes

Canonical text8a95957cd6d0f834c839639727c2aaf00f5207985cd4a3614efd80ab535651da
Markdowne9dfca72af067aff0a72d569eecdc2c871c41ef2c5bd1211bc13b1d99064b1e8
PDF
Publication page839b7c0b94f3ffe7a423f5a90baf8ffaa8e68b5c24a3dfc9635431bae287ac89
Manifestaf268b3d8a1d733b1b661ccccc6475a0ac99322a60ee3e43140f9b8328b7133e

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
SignaturexX5IUhKq4AspoEz+3SVclU6I8IeDW5kvw0KPS1MyyD4afrGPgWaKjwmswbP9DIhiGeCPZBLnDPEkS3a8zbdHCQ==
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

2026-09-17T11:23:25.915659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038097
observed 839b7c0b94f3ffe7a423f5a90baf8ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:25.897586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038097/manifest.json
observed af268b3d8a1d733b1b661ccccc6475a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:25.879391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038097/publication.md
observed e9dfca72af067aff0a72d569eecdc2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:25.861200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038097/publication.txt
observed 8a95957cd6d0f834c839639727c2aaf0...
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.