OpenTechnical

OT-2026-000002072

Publication integrity record

Taper cover segment and method

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-2026-000002072) never changes.

Identity and time

Publication numberOT-2026-000002072 · never reused
Internal UUID01a0a67a-6b66-74b6-b4e7-219a0767a205 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:10:35.878947Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002072
StatusPUBLIC

Content hashes

Canonical text2fcbc8aaae8a9086e0a88f02d8eb6632f26173bedce14e40ab03b7ea31e54106
Markdown92fad123837d48199f5c964147ff0669c82f5ad89b9ebb41bfbb104e73cd1c0f
PDF
Publication pagefd482aa173239aec6229215cd2863457e75b629be916d3ee97425a6bbd23eef8
Manifest2c6523e6e565391864c08abeeee858224a2d98d71a838d3566ea3df8aac77b19

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
Signaturemk7avMZONFVmbciabNbdBvdVWG8NFQQYIWpPP0R7qsIsZIUv9dE6mYnupGKHErw4tt2X0M+LnsoW/jeN8YR4Bw==
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

2026-09-15T19:50:28.175016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002072
observed fd482aa173239aec6229215cd2863457...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:28.147960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002072/manifest.json
observed 2c6523e6e565391864c08abeeee85822...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:28.135112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002072/publication.txt
observed 2fcbc8aaae8a9086e0a88f02d8eb6632...
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