OpenTechnical

OT-2026-000002560

Publication integrity record

Electronic device and method for controlling same

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-2026-000002560) never changes.

Identity and time

Publication numberOT-2026-000002560 · never reused
Internal UUID01a0a67d-6733-7425-bf32-b127923dd1be · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:51.411787Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002560
StatusPUBLIC

Content hashes

Canonical textffc180025432cdf34797bd25c3647c51c32dc925fdfd4c621079cd9d15035b9a
Markdown3b1fb7d2c08b936d51712e5fe5e5bdd3b073b059ce519eaae28c07eb8d94d615
PDF
Publication page3951eb8f64212028a72dda84bd21afc1bdcefaaf486387cc0fc903b6fa1a616d
Manifestcf00ef54729b76d071c441feadc0976d2ac9466dd84103b22727d11283c343d2

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
SignatureAPWz3FGs6R8LRfhowEEuKnSKJWKcqTGD8AYBfGwKblXfTqAd0Rt+y2s8yXv8BGRl2aPI52yJpaNpPC5WzmvvAg==
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

2026-09-17T04:41:41.730205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002560
observed 3951eb8f64212028a72dda84bd21afc1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:41:41.489363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002560/manifest.json
observed cf00ef54729b76d071c441feadc0976d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:41:41.336606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002560/publication.md
observed 3b1fb7d2c08b936d51712e5fe5e5bdd3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:41:41.028820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002560/publication.txt
observed ffc180025432cdf34797bd25c3647c51...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:42:23.765233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002560
observed 3951eb8f64212028a72dda84bd21afc1...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:42:23.265930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002560/manifest.json
observed cf00ef54729b76d071c441feadc0976d...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:42:22.811324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002560/publication.txt
observed ffc180025432cdf34797bd25c3647c51...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:32.666568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002560
observed 3951eb8f64212028a72dda84bd21afc1...
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