OpenTechnical

OT-2026-000001379

Publication integrity record

Improvements relating to hangers and hanger systems

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-2026-000001379) never changes.

Identity and time

Publication numberOT-2026-000001379 · never reused
Internal UUID01a0a675-bbf9-7a2e-8332-e62e1d51dd73 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:05:28.825448Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001379
StatusPUBLIC

Content hashes

Canonical textbc4a149fa89dc1ce0a3c9860274f62cd3c02a96f92740bb45b7630f94a94a46d
Markdownc36df7400409554d073f696f085348db9bf5bcba9c5d64b2817a41b3a55d1cf4
PDF
Publication page38fadf77be893e2d5a07daa4e9d2e2a2e6e4bd80b450cc8691fc9a4bae1c1d65
Manifest50f81c7c2526f05ef88dc8a12de5471db7ea43b224aed007407e7403fe249a99

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
SignatureSQIJasEumL7r1JlR2T2nKmMx/AKH7Ywc9MSDZdOtiYziJbofACo5PtXpsF3wjhYAuOfP1rJTPwCHy7NtfM6ZBA==
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

2026-09-15T20:10:23.212420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001379
observed 38fadf77be893e2d5a07daa4e9d2e2a2...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:23.053349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001379/manifest.json
observed 50f81c7c2526f05ef88dc8a12de5471d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:23.039290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001379/publication.txt
observed bc4a149fa89dc1ce0a3c9860274f62cd...
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