OpenTechnical

OT-2026-000002490

Publication integrity record

Davit arm base

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-2026-000002490) never changes.

Identity and time

Publication numberOT-2026-000002490 · never reused
Internal UUID01a0a67d-008e-7197-865e-0b9cd263b259 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:25.135026Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002490
StatusPUBLIC

Content hashes

Canonical text8071ea9cebff1dde4c5ea4d76a06063fb4319bf7597fc2e76e78709b18c89ce4
Markdown5ed951714e5c069ed6c3c8ec71212d1ff7f30472b619d2a4b9cacf00930b8483
PDF
Publication pagef2262edbc2af48a696c086b2fc36148c2bc9ba8cc945418105891a0a753a25fe
Manifest2de64121b72da6056fd941c9c5f33c901eb5de1fd18f8a0a1e14c1579c1450f7

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
Signature8Si/RPUMU9VVY6o4wYT7Z9UWds6UkVXmB2E/pF9ADpuL0pPhHcRrjj9zlxEfUyZcerIMw3QGLsenGSK00Vh6BA==
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

2026-09-15T19:40:09.700741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002490
observed f2262edbc2af48a696c086b2fc36148c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:09.545082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002490/manifest.json
observed 2de64121b72da6056fd941c9c5f33c90...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:09.533013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002490/publication.txt
observed 8071ea9cebff1dde4c5ea4d76a06063f...
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