OpenTechnical

OT-2026-000001639

Publication integrity record

Electromagnetic laner

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-2026-000001639) never changes.

Identity and time

Publication numberOT-2026-000001639 · never reused
Internal UUID01a0a677-571d-761f-844d-fda826900315 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:07:14.077991Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001639
StatusPUBLIC

Content hashes

Canonical text6e3774fec424f38059a03df44aa4887aff2a9b6dea51c206cc5229d81aff743d
Markdownff759d389e1c4774e710d0c7c41fb9a98df5429fd099b64a62cc038b8afdcceb
PDF
Publication page8eab967a9922424d9380dfd47baebbaf28c1f4b36f134d4887125a75c76725ca
Manifest97422be73a01dca8ccf335bc83aef344aa4ab2cb0f0676c4af720eb6ec8ccb30

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
SignaturepF5vZl/1hduJRaK0081viQ4pkhtzaSC8Pyv4pVeWbaPcauB0K+bPck4E3BasRRdJ7YMySmVuApcwB7QUXaqcBQ==
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

2026-09-15T20:00:20.191272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001639
observed 8eab967a9922424d9380dfd47baebbaf...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:20.160298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001639/manifest.json
observed 97422be73a01dca8ccf335bc83aef344...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:20.148085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001639/publication.txt
observed 6e3774fec424f38059a03df44aa4887a...
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