OpenTechnical

OT-2026-000047452

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000047452) never changes.

Identity and time

Publication numberOT-2026-000047452 · never reused
Internal UUID01a0ae7f-3e58-7eeb-8e79-4b33d007d7b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047452
StatusPUBLIC

Content hashes

Canonical text2a347f3b645526d9bf066665f3e40544675dbe95d20e6928f20cc3c4e0eea834
Markdown5dedfae85efb27f13b7f57cd241e763057ad6fcada8358d27b162d273fe6afcf
PDF
Publication page317faf6137b70579131e059af1e072d8a50a9292e3c7c5c590bbff80e39b6af5
Manifest2379d648f7cefa86dff199b2f5111dfe2ac5973ab32af6f59745e10701df33d1

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
Signaturekd3NGLtKv57gOZQZLEGgifVI9kvbywooq5/gziF9X+u5vvX/Zp02EEoxhivbxtHtO3i2lgriO+DD0aeB16VNBg==
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

2026-09-17T11:06:28.933542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047452
observed 317faf6137b70579131e059af1e072d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.916067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047452/manifest.json
observed 2379d648f7cefa86dff199b2f5111dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.899250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047452/publication.md
observed 5dedfae85efb27f13b7f57cd241e7630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.883085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047452/publication.txt
observed 2a347f3b645526d9bf066665f3e40544...
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.