OpenTechnical

OT-2026-000000075

Publication integrity record

Systems and methods for heating and cooling information handling system with server blank

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-2026-000000075) never changes.

Identity and time

Publication numberOT-2026-000000075 · never reused
Internal UUID01a0a672-f862-7ee4-8ff9-492ea2400901 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:27.683220Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000075
StatusPUBLIC

Content hashes

Canonical texte3abd3e89b0866f2ff658379c93e9c7998414bb7f6f7dba4ef351de86f96d794
Markdownc520194bf613f2cffd2a8fa0cdcbd2613a642ac5703a6241470c92fa7df74f0d
PDF
Publication page3a6631d027d3866482630ede22421f3985a8da24d2ebc0a4fe487aa2dae5bf0c
Manifestff13f2f4fa71c7307647db0d518d5abef39e677ee8d087271113f4a7cff9d690

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
Signatureg8x4tVhBHAxadOMZ0yOr4pcOUf4b6Vqv4NCuLsa3pYZJoIARJD0M/c4UHxLgGJGrI+oZCr2fsKyAL2/ry59qBA==
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

2026-10-25T20:41:58.305779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000075
observed 3a6631d027d3866482630ede22421f39...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T20:41:58.237206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000075/manifest.json
observed ff13f2f4fa71c7307647db0d518d5abe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T20:41:58.166630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000075/publication.md
observed c520194bf613f2cffd2a8fa0cdcbd261...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T20:41:57.968581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000075/publication.txt
observed e3abd3e89b0866f2ff658379c93e9c79...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:43:14.171862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000075
observed 3a6631d027d3866482630ede22421f39...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:43:13.236906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000075/manifest.json
observed ff13f2f4fa71c7307647db0d518d5abe...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:43:12.536249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000075/publication.txt
observed e3abd3e89b0866f2ff658379c93e9c79...
fetched by grabo-systems 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