OpenTechnical

OT-2026-000035181

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000035181) never changes.

Identity and time

Publication numberOT-2026-000035181 · never reused
Internal UUID01a0ae76-6a1e-7592-8f63-fe6c65754a4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035181
StatusPUBLIC

Content hashes

Canonical texte052ad2df228ad87244ca9ade3afc6a642678f8ac24d54f6f140919169de03d8
Markdowne7c375adef9c50fcfe9d3c457f3ff663eaec77b39a4d53eb4e6f94da58a27955
PDF
Publication page4892826186764ab18a1a37ff76f88af2291c36aeff2723bb432a8025d9a22f07
Manifestbc91c62d69294c9b1e9faba08e202751d455714c4e049465b8cdb86945bde4de

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
SignatureinkNiO+FKNSyTMhH/LGtbx1i3C6p1yqXQfZRH6HU4eUTFKN4WQmWJStT0f8FO1493k2EsvD8CgENIXk0ETTpCg==
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

2026-09-17T11:28:17.968289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035181
observed 4892826186764ab18a1a37ff76f88af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:17.947808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035181/manifest.json
observed bc91c62d69294c9b1e9faba08e202751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:17.927905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035181/publication.md
observed e7c375adef9c50fcfe9d3c457f3ff663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:17.908791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035181/publication.txt
observed e052ad2df228ad87244ca9ade3afc6a6...
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.