OpenTechnical

OT-2026-000002836

Publication integrity record

Machine learning method and robot 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-2026-000002836) never changes.

Identity and time

Publication numberOT-2026-000002836 · never reused
Internal UUID01a0a67f-10c0-766c-bf7f-3a66dcf821b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:15:40.352448Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002836
StatusPUBLIC

Content hashes

Canonical text468b50bd2cb7f8d18598aae19b12e53ee4d4a19493569e6aac7b5effdbc9658a
Markdown1585364e7a22fed8da5ad575bd3b26224b3508ba54813a6c53e2abac8de66596
PDF
Publication page76fa7413965a271197194c0eda201378d139a2572666a1b163befc18c0586d1a
Manifest531ba22839dbb96b8d1ce9ef6221544a2cb678a23715cff81f78bb17079a3948

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
SignatureqOpWSXHrst7TMPecIs431yQM3QDKgid+c+6e27GmyLt9GaKm8G2zwUyfZW8TsR7r5nULECjGg4/HhCl2V8/nBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-10-29T00:41:22.304313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002836
observed 76fa7413965a271197194c0eda201378...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T00:41:22.217964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002836/manifest.json
observed 531ba22839dbb96b8d1ce9ef6221544a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T00:41:22.171024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002836/publication.md
observed 1585364e7a22fed8da5ad575bd3b2622...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T00:41:21.874459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002836/publication.txt
observed 468b50bd2cb7f8d18598aae19b12e53e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:23:04.910212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002836
observed 76fa7413965a271197194c0eda201378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:04.894583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002836/manifest.json
observed 531ba22839dbb96b8d1ce9ef6221544a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:04.880820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002836/publication.md
observed 1585364e7a22fed8da5ad575bd3b2622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:04.811664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002836/publication.txt
observed 468b50bd2cb7f8d18598aae19b12e53e...
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

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