OpenTechnical

OT-2026-000002850

Publication integrity record

Clamp locking mechanism

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-2026-000002850) never changes.

Identity and time

Publication numberOT-2026-000002850 · never reused
Internal UUID01a0a67f-2555-7e13-a1f7-8552f420c48e · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:15:45.621866Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002850
StatusPUBLIC

Content hashes

Canonical textdf446b97c779915e1b2e4fa570f52462e187bd0ff541d05ece3858f64dea14ad
Markdown57f9f8652ddecf9efad040b766ffed9b246042a01bb923cd4da66b3a3b38294c
PDF
Publication page419d474b591ad03b541d38ac6895b093ca21f85b5c5a9dd8fc52cb0991b4d3a5
Manifestbfd491a0b9e2b779dc8ca8d69a8c47f2cf9603fefdf97d5c0e9d53d6f3466ffd

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
SignatureTjJQTrbO1mWshYdtObLvaNrEINRtAKpYXuv8W43QWPuoA3ufuZaFEdwPXmKCOQOWq9kT4odX74nWN4ljHk0ZDw==
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

2026-09-15T19:20:26.736611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002850
observed 419d474b591ad03b541d38ac6895b093...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:26.708608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002850/manifest.json
observed bfd491a0b9e2b779dc8ca8d69a8c47f2...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:26.695936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002850/publication.txt
observed df446b97c779915e1b2e4fa570f52462...
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