OpenTechnical

OT-2026-000002643

Publication integrity record

Section based speed reduction

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-2026-000002643) never changes.

Identity and time

Publication numberOT-2026-000002643 · never reused
Internal UUID01a0a67d-e5f8-7264-93e4-8858066759a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:23.864922Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002643
StatusPUBLIC

Content hashes

Canonical text4e340f667dadb015e66edea15904b12afac72dc2a142b60a196cc51cf107b5e1
Markdowndf995c41a8dc5661aba19f6bcec93c0091d654526043edbef5156f6339e27fc9
PDF
Publication page51a6ca481dfee0b6f66139ae0ac587a00b5171ff9fd2cd46d3c8c6d636479738
Manifest884d90cbed9aae6b27fc344c739c85d0fe7a9ca6f65afa464aeb14dd9457ab5b

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
SignaturecvWRTzKh/Qdl9miBRGtwgZnNqoEAMdGBNrfBnMI4qeW37F298RA+CQPwEO5rFVoOwVOTexx7AcGFVTLoEwLOBg==
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

2026-09-19T16:42:10.327935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002643
observed 51a6ca481dfee0b6f66139ae0ac587a0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T16:42:10.180846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002643/manifest.json
observed 884d90cbed9aae6b27fc344c739c85d0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T16:42:10.029097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002643/publication.md
observed df995c41a8dc5661aba19f6bcec93c00...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T16:42:09.693886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002643/publication.txt
observed 4e340f667dadb015e66edea15904b12a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:29.291134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002643
observed 51a6ca481dfee0b6f66139ae0ac587a0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:29.117947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002643/manifest.json
observed 884d90cbed9aae6b27fc344c739c85d0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:28.957398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002643/publication.md
observed df995c41a8dc5661aba19f6bcec93c00...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:28.734327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002643/publication.txt
observed 4e340f667dadb015e66edea15904b12a...
fetched by grabo-systems from 34.44.131.203, 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