OpenTechnical

OT-2026-000000161

Publication integrity record

2D area array camera-line laser 3D sensor joint calibration method and device

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-2026-000000161) never changes.

Identity and time

Publication numberOT-2026-000000161 · never reused
Internal UUID01a0a673-0f17-7a05-9041-8e44472bd0ce · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:33.495973Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000161
StatusPUBLIC

Content hashes

Canonical text2acef6c0bbc44070470156a6e8594a4d2372ff07d36d799aadb83378438b0a4a
Markdownd23c51d5606e0f79ca7c5844473f2d4d40b2054546e86eff016c3ffb60d67029
PDF
Publication page0d0933519917353e69cd59a6a76999d2964323d5617ed3ac4f8961569bc6b296
Manifestf6cc591e55ef3bd39c45796ab12f85d1fbdaff0b73096fae518419051318f992

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
SignatureXf7wfiSiwYA7+ZyAcALJcmjckrWsWbq3/XMn9FW900g6mS4VNz3Gs/UCQbGCKSxZxt0ZGtjhMCc1I50mJO3KBw==
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

2026-09-15T21:00:05.387636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000161
observed 0d0933519917353e69cd59a6a76999d2...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T21:00:05.359233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000161/manifest.json
observed f6cc591e55ef3bd39c45796ab12f85d1...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T21:00:05.346984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000161/publication.txt
observed 2acef6c0bbc44070470156a6e8594a4d...
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