OpenTechnical

OT-2026-000030662

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000030662) never changes.

Identity and time

Publication numberOT-2026-000030662 · never reused
Internal UUID01a0ae74-3fb3-72c1-b562-f1a024dbc7de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030662
StatusPUBLIC

Content hashes

Canonical text631a6b90e1e36261ef2bdfe52c779a20100f8124d5a1ef84aeca60f5585199d7
Markdown03086fd297200d7410aa70876876e419d16c62aabe346388244f8d376acd5205
PDF
Publication paged37cb7da95203856595bf0febe13cf055c2b95ad4316a076ae5a2be2768f4ee6
Manifestcccca9e107a15bd8321de5c31692796de85dcc2a16ee05978822d5138f50b628

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
SignaturexB/fvLDJoPKomnuxmSLxJr0Dvhdd3+4ms06+DsGEV4q8c5H4688x0gQ0YxXbBBKEcv0svaNDQytGM3iR7rUjBw==
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

2026-09-17T11:36:32.869887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030662
observed d37cb7da95203856595bf0febe13cf05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.853002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030662/manifest.json
observed cccca9e107a15bd8321de5c31692796d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.833929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030662/publication.md
observed 03086fd297200d7410aa70876876e419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.813579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030662/publication.txt
observed 631a6b90e1e36261ef2bdfe52c779a20...
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.