OpenTechnical

OT-2026-000001405

Publication integrity record

Automatic Teaching System and Automatic Teaching Method Thereof

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-2026-000001405) never changes.

Identity and time

Publication numberOT-2026-000001405 · never reused
Internal UUID01a0a675-e114-786d-b9f3-8a7e6ad9df81 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:05:38.324768Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001405
StatusPUBLIC

Content hashes

Canonical text1d6dea0318bd16fcaf1d1d6af23ba973ef47f103aa9df75b2ff292a7bde24c74
Markdownf11a80ea86880472bf79b25526cd4d32a4f124147e7eaa23406cf2c429923196
PDF
Publication page3fff09cba6194b2193b4bfa3ba27a9b03fa8947a699b884d7c52e207726b3b37
Manifestb531e1d3b858c7591e4703a57dc21e77da64ddd719f308d5f601458b4d9b632b

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
SignaturexSt2TgSAOUzPDtJRlNLk7PQNncHGr46Rlb8sizelIKANa66RuQ7JL9eF5XwD7wh/2vGPv9M/0hGw7rq8bRPCBQ==
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

2026-09-15T20:10:19.998786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001405
observed 3fff09cba6194b2193b4bfa3ba27a9b0...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:19.967189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001405/manifest.json
observed b531e1d3b858c7591e4703a57dc21e77...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:19.828657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001405/publication.txt
observed 1d6dea0318bd16fcaf1d1d6af23ba973...
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