OpenTechnical

OT-2026-000002160

Publication integrity record

Operating machine with improved stabilisers

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-2026-000002160) never changes.

Identity and time

Publication numberOT-2026-000002160 · never reused
Internal UUID01a0a67a-f33b-7f85-82b6-f3745ceac14d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:10.652090Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002160
StatusPUBLIC

Content hashes

Canonical textbf2d6d9820beaab695440d466b18dc11eed81d3f2fdaa34437ce6072724a06ee
Markdown436fad18e549462b6b0ef5433f48127d04991f204f319f4e258bac8a08b4df0f
PDF
Publication page8bd532761925a05241cbb75db76aff33a47fd10fc54f288065b41510c3e2d7df
Manifest729f68db22bd6ef3254f76c22b138bb6616827865a08301f7da8dcf240967ce7

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
SignatureMaz+p1Xnd2yFouxfA+pHaSYzuOWstyyENgovc6XE+ENX9UXUoGAjdAYTPZo5oMnGChjldBLsDM/N3k7UPKcODg==
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

2026-09-17T20:42:29.134001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002160
observed 8bd532761925a05241cbb75db76aff33...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:28.771404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002160/manifest.json
observed 729f68db22bd6ef3254f76c22b138bb6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:28.406740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002160/publication.md
observed 436fad18e549462b6b0ef5433f48127d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:27.797602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002160/publication.txt
observed bf2d6d9820beaab695440d466b18dc11...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:50:18.676710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002160
observed 8bd532761925a05241cbb75db76aff33...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:18.645225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002160/manifest.json
observed 729f68db22bd6ef3254f76c22b138bb6...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:18.633266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002160/publication.txt
observed bf2d6d9820beaab695440d466b18dc11...
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