OpenTechnical

OT-2026-000000184

Publication integrity record

Managing sound levels at an information handling system

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-2026-000000184) never changes.

Identity and time

Publication numberOT-2026-000000184 · never reused
Internal UUID01a0a673-1542-788d-9bab-d0f81c4d1f42 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:35.075120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000184
StatusPUBLIC

Content hashes

Canonical text02765634dc3613e366cdf7c78d81c4a13d6b42404f46cba2c3a9f34a1b31d7c4
Markdown48ec5b3a7960fb4c630b28a5ac7a76096516cdf329e3828f70affd0efb8c08f5
PDF
Publication page265225dcfe008accde10466bad1baf6795e51de538edd1b7b25d0b602c432721
Manifestfa5af68b86f1c57b7275c0d3b78e2f524f3980ab28fe320a0aaf8a2300e24be0

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
SignatureTSpAH61XppTrBzu/VpP9AyFXPTE7BHJojSAkKaeaz4n+SYKhzUnvd54+UeuGT9bf+VhXX18gKBvSV+rtlLLDBw==
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

2026-10-25T04:41:12.622900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000184
observed 265225dcfe008accde10466bad1baf67...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T04:41:12.553157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000184/manifest.json
observed fa5af68b86f1c57b7275c0d3b78e2f52...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T04:41:12.486241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000184/publication.md
observed 48ec5b3a7960fb4c630b28a5ac7a7609...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T04:41:12.392557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000184/publication.txt
observed 02765634dc3613e366cdf7c78d81c4a1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:23:10.528180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000184
observed 265225dcfe008accde10466bad1baf67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:10.510814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000184/manifest.json
observed fa5af68b86f1c57b7275c0d3b78e2f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:10.493883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000184/publication.md
observed 48ec5b3a7960fb4c630b28a5ac7a7609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:10.456033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000184/publication.txt
observed 02765634dc3613e366cdf7c78d81c4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, 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