OpenTechnical

OT-2026-000000640

Publication integrity record

Robot control system

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-2026-000000640) never changes.

Identity and time

Publication numberOT-2026-000000640 · never reused
Internal UUID01a0a673-a472-7e52-94b0-c94ae3840d13 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:11.731041Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000640
StatusPUBLIC

Content hashes

Canonical textdb02b674b75f8344fdda12b63b48bb6b389244ea45ae63ab6d86750ee455604f
Markdown3db1c15e52537e054036eed1a58a06c2a14d0d695907eb7d0d16d89e15faff93
PDF
Publication pagea63ead1a57de7e8d912168424ff8500effef0e68c49c400b6bb2257cb2788254
Manifestda02444bd25714498cf6cc9ef781096a81b22f7af2ba8bfd60194ee377bf26f9

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
SignatureFUBF0XRImrMAywBCYhBqGqUaQwnCl+usxUUlaI+0XUKK3KNSWYTmKtiW7e+ENf7aV9ExcmktpfX5dcPbD6KRBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-17T00:42:18.105735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000640
observed a63ead1a57de7e8d912168424ff8500e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:42:17.993679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000640/manifest.json
observed da02444bd25714498cf6cc9ef781096a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:42:17.895139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000640/publication.md
observed 3db1c15e52537e054036eed1a58a06c2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:42:17.764405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000640/publication.txt
observed db02b674b75f8344fdda12b63b48bb6b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:40:21.292835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000640
observed a63ead1a57de7e8d912168424ff8500e...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:21.262525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000640/manifest.json
observed da02444bd25714498cf6cc9ef781096a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:21.249013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000640/publication.txt
observed db02b674b75f8344fdda12b63b48bb6b...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent