OpenTechnical

OT-2026-000032331

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000032331) never changes.

Identity and time

Publication numberOT-2026-000032331 · never reused
Internal UUID01a0ae75-106d-71b8-b71c-41ec1e35a1b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032331
StatusPUBLIC

Content hashes

Canonical text5483ce322ac0a9e5aaaaf6ccd39f6e420d142d7884860da3bf25d204d5caabe7
Markdown5aecf9e6d8917db80abf08cec284bbb5d9c812ba964f7ba5491ff15bab450143
PDF
Publication page9a04626b8a0c1af8836f5057056820296abdb6750ebf51da516bfaf1c3561a8c
Manifest1cf646fe43e5ca32283133335dd3a6f13160f3cdfa8b506a17fea3514203630b

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
SignatureALhG+Jrbcc4yEht12ySOtIGq6YgTCVcVskdqH28+iC+1QgeDH9hIl7klPR2rb9oJpUGZpWkAWBW5NyZLg7/iDg==
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

2026-09-17T11:33:10.424396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032331
observed 9a04626b8a0c1af8836f505705682029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:10.405083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032331/manifest.json
observed 1cf646fe43e5ca32283133335dd3a6f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:10.387874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032331/publication.md
observed 5aecf9e6d8917db80abf08cec284bbb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:10.370335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032331/publication.txt
observed 5483ce322ac0a9e5aaaaf6ccd39f6e42...
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.