OpenTechnical

OT-2026-000025940

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000025940) never changes.

Identity and time

Publication numberOT-2026-000025940 · never reused
Internal UUID01a0ae71-a83f-7ef0-b11c-c8cba42562a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025940
StatusPUBLIC

Content hashes

Canonical textef0e5515ccf6d790ff862faa70fb6ff0c7e5e5d891cd1a197942951de4377025
Markdownf0ff326e5e7e5081cc6f930d0be740cdff320bedcdcae933688a4d6544f979b1
PDF
Publication page698c8f4318e9bb2290ce2bb04402485410533e30a82e943a00eba790670cea8b
Manifestf06079419313e37973bdaccf86b17abdf5b95d6e1ba2b823a578adaa6d473f37

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
SignaturekwPsJM5V+zNuQ/grGezt3t2L/oKXH520gLk4l/z0Jvezs3Y1puK2Wh/qT7EGMgmAiA9vDhgyO/BSsLzK5CVtDw==
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

2026-09-17T11:46:18.265739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025940
observed 698c8f4318e9bb2290ce2bb044024854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.247965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025940/manifest.json
observed f06079419313e37973bdaccf86b17abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.230227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025940/publication.md
observed f0ff326e5e7e5081cc6f930d0be740cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.211514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025940/publication.txt
observed ef0e5515ccf6d790ff862faa70fb6ff0...
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.