OpenTechnical

OT-2026-000032800

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000032800) never changes.

Identity and time

Publication numberOT-2026-000032800 · never reused
Internal UUID01a0ae75-4841-786a-8dd0-4f054ef140e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032800
StatusPUBLIC

Content hashes

Canonical text8fd1de4b4e2abd7c4c6bbd058d2470c36cfea64a21b04050f924d5efe6cf8b11
Markdownc30f626ee3c169356a9cf2bc92b3cad45eb13b13d0d6fbf6e97c271ad89d16b9
PDF
Publication page7e366419066684730f11ff04065ef699f3119cc1fb6235b44f9795bfa1abf413
Manifest7d8847723f5f4b13867c1d07ac1259789d813341dbe42de5600aaeefa57d6dd0

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
Signature3AncmE7hzWwr86C8cqU02v8FtX9uf1sgLnhRehnjS8xGc7zldDAEBNRcNLhFJymNRKA4ogBhlOIu2PdKmF4kCg==
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

2026-09-17T11:32:14.797230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032800
observed 7e366419066684730f11ff04065ef699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:14.775646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032800/manifest.json
observed 7d8847723f5f4b13867c1d07ac125978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:14.758066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032800/publication.md
observed c30f626ee3c169356a9cf2bc92b3cad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:14.741215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032800/publication.txt
observed 8fd1de4b4e2abd7c4c6bbd058d2470c3...
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.