OpenTechnical

OT-2026-000029950

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029950) never changes.

Identity and time

Publication numberOT-2026-000029950 · never reused
Internal UUID01a0ae73-ac48-7abf-843d-56e0db64ad2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029950
StatusPUBLIC

Content hashes

Canonical textf0c31d23dce6572c4be171874aef82b051a4fa6ef1caeb5cd0fb46ffacfa9b46
Markdown5c3f841b1d47ef8c19717dc846b3f9d713f074bea854b53351b352a615237d11
PDF
Publication page5b80fc5d7459a37d04e1a3c416833096f47970a829ef989b92586bdbb31a8771
Manifestaddefe206db5d2f69001d43603cf52ffc2e7b5b9490cd6cc2144531c69af443d

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
SignatureOaOkq23La9YmCNs0KwCGvkAD2UsmJ4lJLSwmAUz5iTddPpm6/ruPEuGIJKslSW0xeSKHsZqpSKKMcGC47Q93Bw==
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

2026-09-17T11:38:39.832768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029950
observed 5b80fc5d7459a37d04e1a3c416833096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.816963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029950/manifest.json
observed addefe206db5d2f69001d43603cf52ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.798566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029950/publication.md
observed 5c3f841b1d47ef8c19717dc846b3f9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.780770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029950/publication.txt
observed f0c31d23dce6572c4be171874aef82b0...
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.