OpenTechnical

OT-2026-000033955

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000033955) never changes.

Identity and time

Publication numberOT-2026-000033955 · never reused
Internal UUID01a0ae75-df0b-7b43-b4ca-ecfb1a93b456 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033955
StatusPUBLIC

Content hashes

Canonical text07950d6200053417561fd558a41dd9c5e654b825172dc2052f7e770e3e393d0b
Markdownb0e6729785b4627266a5c92518320ca5476318bdb0057f12bc7058fc8f2f905d
PDF
Publication page79fee31117d3556024aec34c7c5eb6eda4a5bac4dfa919f996c95a86c69d3558
Manifestcaa50f42ee09174b8069f0ae09cbcdd01dd075d11334f37295ed804388866f0a

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
SignatureQdsQPh1v74pi8/fE0nQxywW+nhw1DKqhGLkBU1kPzKpmVViqC5c/g8pzf4g9/EQtzgLRKTl/RmVnbV/BIJJZBg==
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

2026-09-17T11:30:04.742724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033955
observed 79fee31117d3556024aec34c7c5eb6ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.722071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033955/manifest.json
observed caa50f42ee09174b8069f0ae09cbcdd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.700321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033955/publication.md
observed b0e6729785b4627266a5c92518320ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.678483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033955/publication.txt
observed 07950d6200053417561fd558a41dd9c5...
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.