OpenTechnical

OT-2026-000000267

Publication integrity record

Ranging method and apparatus, robot, and storage medium

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-2026-000000267) never changes.

Identity and time

Publication numberOT-2026-000000267 · never reused
Internal UUID01a0a673-2c02-7057-a77e-f6d874deabdd · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:40.898388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000267
StatusPUBLIC

Content hashes

Canonical text9f62a8a87386412428aa694cb6d47a44dbc5acbba56c6c6ced3c2d1228217c62
Markdown450ad19cfbc753831878b662cf63658843a38aa6de18333b538c0c39e9fe8019
PDF
Publication page726775a2f944838f4fa238bcc9fab9ac0e0ab436a46c42dcd21204ef51bbdb88
Manifest3750967e70cb4a9570bc641f519323c9afb348458efc60bdcb4b986143c2ae0e

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
SignaturekANP1t7GiAtqmEoCnjD6ryLh4sgq15wtj8CapfsGj7FJqkCezeA0QZUDdOSTMx8jk6Li6rYPjjcM3Ggq0FiXDA==
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

2026-09-15T20:50:29.990308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000267
observed 726775a2f944838f4fa238bcc9fab9ac...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:29.840543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000267/manifest.json
observed 3750967e70cb4a9570bc641f519323c9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:29.827748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000267/publication.txt
observed 9f62a8a87386412428aa694cb6d47a44...
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