OpenTechnical

OT-2026-000002552

Publication integrity record

User-installable part installation detection techniques

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-2026-000002552) never changes.

Identity and time

Publication numberOT-2026-000002552 · never reused
Internal UUID01a0a67d-5b5c-7406-92e4-9b54fd28ab7f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:48.380334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002552
StatusPUBLIC

Content hashes

Canonical text0ccdc0596373229e0558b736d236d5547a248adc5b6419c7f9fb8f371419d536
Markdown15c6cbda08e32dfa3c287440840f26264b5165e144d02f692c80a50abfc77b22
PDF
Publication page24d769b1977b009f8ec660adfcf17a3719d9986ec6faaf60558526d57bd1249c
Manifestb2ea3895408f0cdf445ed69a2d6dbdd76f26ff440dba86d65d30c7d5053c4307

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
Signatureb6SqGf3SRXkbWPPSNUFj5YIqS3c0h+T1eZrSsiYNk3Cx/kIjpCRLoLSJO7l3sDlONqIahWR0B0bDrmzGzrVYCA==
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

2026-09-16T04:43:31.696240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002552
observed 24d769b1977b009f8ec660adfcf17a37...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:31.381109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002552/manifest.json
observed b2ea3895408f0cdf445ed69a2d6dbdd7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:31.027400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002552/publication.md
observed 15c6cbda08e32dfa3c287440840f2626...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:30.764636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002552/publication.txt
observed 0ccdc0596373229e0558b736d236d554...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:30:33.859452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002552
observed 24d769b1977b009f8ec660adfcf17a37...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:33.829942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002552/manifest.json
observed b2ea3895408f0cdf445ed69a2d6dbdd7...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:33.692042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002552/publication.txt
observed 0ccdc0596373229e0558b736d236d554...
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