OpenTechnical

OT-2026-000002056

Publication integrity record

Grid survey module

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-2026-000002056) never changes.

Identity and time

Publication numberOT-2026-000002056 · never reused
Internal UUID01a0a67a-52f1-7005-a1f5-eaa2c67d16a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:10:29.617477Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002056
StatusPUBLIC

Content hashes

Canonical textc803b9fe96c13a59a9cc90fff75e24ce03fd6f35b7eac012509ae6953fd54dcf
Markdown68f468cea72b6547af1b630957dbd520fd69e215cfe0eeabf8c8c0eb210ceb50
PDF
Publication pagef375569d6f1aaeefbf2f9356481a07b87e8fad54f65a7fe484b8ab2a358bb75f
Manifest6dd392a0f182d2622c83e0212b100054ee23c31139916609c549b2b676596b95

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
SignatureLDFkTcGMHzIVBXYzkx5bcrad2xzydnpEP7G0Kb2gm23RlNvJq6CcJ17rByv4DHHCeRGuFvTcGn/s2zwkb01iCQ==
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

2026-09-15T19:50:29.903688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002056
observed f375569d6f1aaeefbf2f9356481a07b8...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:29.874981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002056/manifest.json
observed 6dd392a0f182d2622c83e0212b100054...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:29.863231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002056/publication.txt
observed c803b9fe96c13a59a9cc90fff75e24ce...
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