OpenTechnical

OT-2026-000000598

Publication integrity record

Non-uniform stroke duration apparatus and engine provided with the 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-2026-000000598) never changes.

Identity and time

Publication numberOT-2026-000000598 · never reused
Internal UUID01a0a673-96c7-761d-8ded-862a0ac63005 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:08.232936Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000598
StatusPUBLIC

Content hashes

Canonical textfe1c949a4d3183be84ccbd6882e735d07cd2bee2ff625a4decb75c0e548d37f4
Markdownd8796f2711b26dfe6849ef132870787220e03cb97fb3e65ae0f11882531207c3
PDF
Publication pagead8afcd3b68182f058ecf341924c62b35867bca1e5973c1475197a83e4d0e26d
Manifestcf883f85f838f2de8b7ecb94fd75698ea63bc376af1045e8df84fde7e2f7f612

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
Signaturew5m1d2LJQWFsCiMkJOXYHUAz507jWQZpagFXobqTbSJmFPezMAAI6rwgSVW0xwMmUL7sCWMHpt1Enh/DTKJQBQ==
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

2026-10-07T12:41:11.370986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000598
observed ad8afcd3b68182f058ecf341924c62b3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T12:41:11.287492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000598/manifest.json
observed cf883f85f838f2de8b7ecb94fd75698e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T12:41:11.203327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000598/publication.md
observed d8796f2711b26dfe6849ef1328707872...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-07T12:41:11.067947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000598/publication.txt
observed fe1c949a4d3183be84ccbd6882e735d0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T20:41:14.086932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000598
observed ad8afcd3b68182f058ecf341924c62b3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T20:41:13.960319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000598/manifest.json
observed cf883f85f838f2de8b7ecb94fd75698e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T20:41:13.828443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000598/publication.md
observed d8796f2711b26dfe6849ef1328707872...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T20:41:13.709514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000598/publication.txt
observed fe1c949a4d3183be84ccbd6882e735d0...
fetched by grabo-systems from 34.44.131.203, 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