OpenTechnical

OT-2026-000001554

Publication integrity record

Transfer system and transfer 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-2026-000001554) never changes.

Identity and time

Publication numberOT-2026-000001554 · never reused
Internal UUID01a0a676-caf6-78b4-b3f5-f3cced0c4a84 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:06:38.324143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001554
StatusPUBLIC

Content hashes

Canonical textb5efd09b6cd61f7501b6535fd13fed952e8ea7f3ab76f93c955ab89eb5d9fb28
Markdown19f2b9565f03a9bf6d64a32f2497afc2f49cfbbd3952f251087642502420391f
PDF
Publication page87bb401c72514b114034fe5d9c148b7482932ee7ea5c59d094d8c0787577ebc0
Manifest2a01215d21ed73dd5d776a88d9855f960aa0a97fa9869fbb55fbf1c5ab3cab64

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
SignaturekdmHQAi+dI8ZsrQN5RmPpGPSV5lTaGls1iJiz8zTaAX0Zo60X25OdxcyBoDRFi/9yqAVa64t6lvumDaYnNfZCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-16T04:23:16.336769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001554
observed 87bb401c72514b114034fe5d9c148b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:16.322607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001554/manifest.json
observed 2a01215d21ed73dd5d776a88d9855f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:16.307129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001554/publication.md
observed 19f2b9565f03a9bf6d64a32f2497afc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:16.293719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001554/publication.txt
observed b5efd09b6cd61f7501b6535fd13fed95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T20:00:30.697449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001554
observed 87bb401c72514b114034fe5d9c148b74...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:30.663002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001554/manifest.json
observed 2a01215d21ed73dd5d776a88d9855f96...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:30.646474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001554/publication.txt
observed b5efd09b6cd61f7501b6535fd13fed95...
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