OpenTechnical

OT-2026-000000527

Publication integrity record

System and method for scanning the condition of a steel cord conveyor belt

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-2026-000000527) never changes.

Identity and time

Publication numberOT-2026-000000527 · never reused
Internal UUID01a0a673-7f42-7494-8971-4bc9e3c9e8ea · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:02.210386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000527
StatusPUBLIC

Content hashes

Canonical text58e66899fe64c3900d8b7232c6aeaccd8f0f45dfa94d93339de77de3516906d1
Markdowne6d3ef2ac1dbf78bac36e7a86f3ef3b50e2816b0497ea69baa85b2673666a1d4
PDF
Publication pagecd5306d4d70cb28790cfcd60d25664fd737a27173820ae2269549bb3920b947b
Manifesta921601382bfcff6d5368162022387b6d1d98ec3f3c4402bbafc595751afb1db

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
SignatureRDzkmLtX7FbXWG0wVAANERzI7bSnLaIAaGAJrrcqIHyHipJ+M9qecQiaJU6Y1lH1VxJ8jfO2eUFdilbwKxfBAA==
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

2026-09-15T20:40:33.794063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000527
observed cd5306d4d70cb28790cfcd60d25664fd...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:33.767242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000527/manifest.json
observed a921601382bfcff6d5368162022387b6...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:33.753891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000527/publication.txt
observed 58e66899fe64c3900d8b7232c6aeaccd...
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