OpenTechnical

OT-2026-000025812

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000025812) never changes.

Identity and time

Publication numberOT-2026-000025812 · never reused
Internal UUID01a0ae71-a83e-7cc6-89a4-de50a9efb738 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025812
StatusPUBLIC

Content hashes

Canonical text209fe8dbac70a69ea6a50caeadf406a48f627c2e963102d3eb13b9c0cb98a441
Markdownbd5b7e656571b128843f5200cad7d4758ca96f11053172b5dba474821296fa8d
PDF
Publication page88dd7950aaf37c0e522524bcc10ed9389cff90ece569e6cc96f3a2d1048da06a
Manifestc7a4c429ff6fef9b39a972344de629fd90da0d506987903963dbc01c9d509619

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
Signaturez8MuOPBceDPvW35I9/ywdmQpLrzaTPGzs/8OtoSGLIqK5Zkm+jCHjWWI6ME9QFXiekCDYKRXW282P91tn1qNCQ==
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

2026-09-17T11:46:01.759085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025812
observed 88dd7950aaf37c0e522524bcc10ed938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.742826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025812/manifest.json
observed c7a4c429ff6fef9b39a972344de629fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.726930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025812/publication.md
observed bd5b7e656571b128843f5200cad7d475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.710218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025812/publication.txt
observed 209fe8dbac70a69ea6a50caeadf406a4...
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.