OpenTechnical

OT-2026-000045561

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045561) never changes.

Identity and time

Publication numberOT-2026-000045561 · never reused
Internal UUID01a0ae7d-8f02-71c0-b47a-3f4d359facec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045561
StatusPUBLIC

Content hashes

Canonical textd5141877d7932a281d6468e348f0d5ac0474d2fbb09f54a37db5e9a48ea11465
Markdownea960df8e130a889c3f987d22bd822fd67c33eb2156e54e429945784608a1132
PDF
Publication page07c9ccbcd0b7e49e481885d3ba5fd7e029975efec1d7430b1756e81ad115ca42
Manifest4101d550bb8e50a30dc95597ee6a52663c674685e237b47b4a9b2781d4702e49

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
Signature6iHu3q9IkWRx4wxGBFssY/wt131Js1cKlaZ1bdaXpm7cK/S9XaNlEGn9p4Ya4NB/zeALpA8jpcMkJ9bSbvspCQ==
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

2026-09-17T11:09:19.138673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045561
observed 07c9ccbcd0b7e49e481885d3ba5fd7e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.119698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045561/manifest.json
observed 4101d550bb8e50a30dc95597ee6a5266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.101006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045561/publication.md
observed ea960df8e130a889c3f987d22bd822fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.082007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045561/publication.txt
observed d5141877d7932a281d6468e348f0d5ac...
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.