OpenTechnical

OT-2026-000039591

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000039591) never changes.

Identity and time

Publication numberOT-2026-000039591 · never reused
Internal UUID01a0ae78-d8d3-7d6f-92ab-9068e9ffa311 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039591
StatusPUBLIC

Content hashes

Canonical text61b5cdadd15f64f4e1e02147058a4fe986d04192b4fe8ee393da2bc92053d33e
Markdown595e3d83ef5c2ff7195bcbb1a552c746c665ed775079fdac03f0dda193c63240
PDF
Publication page25cf495b8ead159fbaf29edbe9927c4620e15c8b2bbdc32717fa65bc8337e43a
Manifest347aac3ace7ee4255c6725abadae066ebd22ab52b86987634c2e8de7b701e6a6

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
SignatureYcjeTMWQW8TuBg3B5fjM5f+JMsvDjnqtRN1d6JRb8+fKMHHmP7HYllee4RP8+UWj/zlMALMcjYJKexqWxDToAw==
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

2026-09-17T11:19:45.037038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039591
observed 25cf495b8ead159fbaf29edbe9927c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:45.021174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039591/manifest.json
observed 347aac3ace7ee4255c6725abadae066e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:45.004619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039591/publication.md
observed 595e3d83ef5c2ff7195bcbb1a552c746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.988997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039591/publication.txt
observed 61b5cdadd15f64f4e1e02147058a4fe9...
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.