OpenTechnical

OT-2026-000002570

Publication integrity record

Construction and/or material-handling machine

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-2026-000002570) never changes.

Identity and time

Publication numberOT-2026-000002570 · never reused
Internal UUID01a0a67d-75a2-7fd6-b11d-593f1b729953 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:55.106509Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002570
StatusPUBLIC

Content hashes

Canonical text916307877f269a75db9915cc3c04c4ce4249c252ffc799ba913e7e37fb9c0475
Markdown314672d07713e8d6a851dcd437c30acf2bce055de5be540d68f2657a5478a176
PDF
Publication page51b3ed9c02ac42013dd8260c6e6ef2db78a0def6e6841081cccfa3aa987a700d
Manifest831c24fde8a1020f28126051d5f58e02d21ea8b2c23d55d475e905aeb95ea252

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
Signature8HuBC5KViHht/xLdW4kd6C9sFb1/hQ6fQfhAk1P0mYI9gvoLPhnWcvTxHvltfISoCJIUwkccI8KWgmJjhvb1Bw==
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

2026-09-15T19:30:30.762263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002570
observed 51b3ed9c02ac42013dd8260c6e6ef2db...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:30.698896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002570/manifest.json
observed 831c24fde8a1020f28126051d5f58e02...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:30.683308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002570/publication.txt
observed 916307877f269a75db9915cc3c04c4ce...
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