OpenTechnical

OT-2026-000001774

Publication integrity record

Robot device for identifying uneven area and control method therefor

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-2026-000001774) never changes.

Identity and time

Publication numberOT-2026-000001774 · never reused
Internal UUID01a0a678-95de-71a9-8a18-b66a003083b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:08:35.678340Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001774
StatusPUBLIC

Content hashes

Canonical textce037a6761b8466bb268f79f6292454010b143ca019108a66b380cf3933050fe
Markdown2cf979abd38f497ed3815b7fc9748c38ac2619c35f09f1f82870d5401b676717
PDF
Publication page0da3a96215f07d74ff0b1c58638c09c7ca70c03a2b4592b9de556c632d89505d
Manifest525932a697474756d73fd0ec7ad25837683562db339179bef898e336288d2718

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
Signature2EzNPeTdHrK3zaVhncWzYY+9I8osO+qu8lpAkZ87UafQvgSJGr2fD+ptfH/eIggJdxdAsBLWlgudyqWwdPInCg==
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

2026-10-01T12:42:08.177979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001774
observed 0da3a96215f07d74ff0b1c58638c09c7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T12:42:08.102700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001774/manifest.json
observed 525932a697474756d73fd0ec7ad25837...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T12:42:08.034380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001774/publication.md
observed 2cf979abd38f497ed3815b7fc9748c38...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T12:42:07.857384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001774/publication.txt
observed ce037a6761b8466bb268f79f62924540...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:10:27.092424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001774
observed 0da3a96215f07d74ff0b1c58638c09c7...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:26.938093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001774/manifest.json
observed 525932a697474756d73fd0ec7ad25837...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:26.923797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001774/publication.txt
observed ce037a6761b8466bb268f79f62924540...
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