OpenTechnical

OT-2026-000000480

Publication integrity record

Systems and methods for optimizing material processing operations

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-2026-000000480) never changes.

Identity and time

Publication numberOT-2026-000000480 · never reused
Internal UUID01a0a673-6a50-75ae-810b-d8a411eb8a12 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:56.848963Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000480
StatusPUBLIC

Content hashes

Canonical text2c36f43c29af4fe1f6ae5aec8089ded910cdabffc38aeada3951b80f8f857b3e
Markdown4362145618b8171280e28f02370d416b668eb1328f95844d506c407f7b4e7889
PDF
Publication paged87900927d53a7220a67872fb527cfc2e09617f12d297168067eb9eec1272b15
Manifest70ac38902ba05bbd2ea8508b66a3c7128fe15dce1ac1a489d7d8f75ffacaf2f2

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
SignatureAiE4IDNnMrYkAZ7VySfziwj7crIJ/jbwIz2EHQnjiNJNN3EhBK8qAK82Exyna7Gydyim2mSQqkiAaEb91aWYDA==
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

2026-10-16T00:41:44.538461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000480
observed d87900927d53a7220a67872fb527cfc2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T00:41:44.445084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000480/manifest.json
observed 70ac38902ba05bbd2ea8508b66a3c712...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T00:41:44.286860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000480/publication.md
observed 4362145618b8171280e28f02370d416b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T00:41:44.184974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000480/publication.txt
observed 2c36f43c29af4fe1f6ae5aec8089ded9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:50:04.572780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000480
observed d87900927d53a7220a67872fb527cfc2...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:04.539714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000480/manifest.json
observed 70ac38902ba05bbd2ea8508b66a3c712...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:04.526076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000480/publication.txt
observed 2c36f43c29af4fe1f6ae5aec8089ded9...
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