OpenTechnical

OT-2026-000001886

Publication integrity record

Model verification apparatus, model verification method, and non-transitory computer readable medium

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-2026-000001886) never changes.

Identity and time

Publication numberOT-2026-000001886 · never reused
Internal UUID01a0a679-3a87-73dd-a506-7430389ec1e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:09:17.831632Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001886
StatusPUBLIC

Content hashes

Canonical textcde3fc9d5a61fa7bc0d8bb8e64962241ca65a6f1b40b7aef5ba4c89347867b35
Markdown5cc44bb283f82fd924633a5285f679db164be7de4833dffc9a2782626333d282
PDF
Publication page812953bda456b94d69989b7d5bc95b87892a54024e09e6c34a936e004898ff89
Manifestc0bc463fabe0f804cf52d5193362a1fec48e7e14c683ead263809c8c816dc433

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
SignaturebvWPGPzUrKEpvaD6ua6mRpVXo5WG0cbwq3rSQ1VeiHXHBBVqfnp5z8hdih5j/ZTCMZGeFBzvMYV7R0fA7ICrAA==
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

2026-10-27T16:42:19.906988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001886
observed 812953bda456b94d69989b7d5bc95b87...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T16:42:19.831537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001886/manifest.json
observed c0bc463fabe0f804cf52d5193362a1fe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T16:42:19.763545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001886/publication.md
observed 5cc44bb283f82fd924633a5285f679db...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T16:42:19.519353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001886/publication.txt
observed cde3fc9d5a61fa7bc0d8bb8e64962241...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:10:14.906467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001886
observed 812953bda456b94d69989b7d5bc95b87...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:14.879008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001886/manifest.json
observed c0bc463fabe0f804cf52d5193362a1fe...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:14.866226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001886/publication.txt
observed cde3fc9d5a61fa7bc0d8bb8e64962241...
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