OpenTechnical

OT-2026-000072423

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000072423) never changes.

Identity and time

Publication numberOT-2026-000072423 · never reused
Internal UUID01a0ae92-89d7-708a-9b21-fe2d6e9a7261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072423
StatusPUBLIC

Content hashes

Canonical text8864b493625d5dbcb57f1231770399cf7d34da5fe1e3a484f1fb6400b367ae0a
Markdown66ee1195bd8d3234bb711fcc435f6407d7e7f78f9ec82f445df88952a74c451a
PDF
Publication page9aed66ea680f19ca6876f61b09f5fca8aebf5b7d0ed63b22a3be661a5e41a86f
Manifest544bb023cd24669eb664181e18fe680f94f1a86c65d9632caad2c1d48616e7f4

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
Signaturem91v6vZytsR+A5uKCXxJvlO3PCC70hmI6CWoCmfmQUJEsqX9O+0+eq9iIJYsenVOT+QQDI56dbVXFimfDaecAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:14.278520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072423
observed 9aed66ea680f19ca6876f61b09f5fca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.259107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072423/manifest.json
observed 544bb023cd24669eb664181e18fe680f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.242256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072423/publication.md
observed 66ee1195bd8d3234bb711fcc435f6407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.227049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072423/publication.txt
observed 8864b493625d5dbcb57f1231770399cf...
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.