OpenTechnical

OT-2026-000025313

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025313) never changes.

Identity and time

Publication numberOT-2026-000025313 · never reused
Internal UUID01a0ae71-5fa7-70aa-ab67-8c29f66dbca5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025313
StatusPUBLIC

Content hashes

Canonical textfa774e546355b65e02cec43cb5394fc1b0ecbb08e9d6c6147641383f1f1eaa21
Markdown192c1c4ad9731b8b41ce5c210ad8a9736f5a5a9b601d6c9ea86c14ffb9448d84
PDF
Publication page2a66577bdf72dc734aaf7bb3b79641962631bcb25481fb7048b5f4d5f0dac4fa
Manifest56f7b7840e19770ef8303d587addbc99bf6739ee2cf888ea51dbd376fc69c8c4

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
Signature6YNjhLmq1a6qXu8CB7WzSaKKmXusYuBAX0bg2ImtLbH1acB7SR36Mt4Hg2l6Xvvt0BafA/Ji0huSQV/w9WnlDw==
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

2026-09-17T11:47:20.010037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025313
observed 2a66577bdf72dc734aaf7bb3b7964196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.991358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025313/manifest.json
observed 56f7b7840e19770ef8303d587addbc99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.972953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025313/publication.md
observed 192c1c4ad9731b8b41ce5c210ad8a973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.954977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025313/publication.txt
observed fa774e546355b65e02cec43cb5394fc1...
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.