OpenTechnical

OT-2026-000002148

Publication integrity record

Estimation device, estimation method, estimation program, and robot 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-2026-000002148) never changes.

Identity and time

Publication numberOT-2026-000002148 · never reused
Internal UUID01a0a67a-e1b0-7a1e-b0b3-b6045f120574 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:06.160643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002148
StatusPUBLIC

Content hashes

Canonical textf9619c58067cf8da89a6e5ab630f361291c1b09e99ae0994b7c87fc739ed4df4
Markdowna5a6341b6b42681314b83715bddfa8d0ecaaf53537429f60e7f72ef4c73092bb
PDF
Publication pagef2a839c06c6e5f7f7b1c6ee00b7faf00f620f3c7078a5fe042b69fbdfbdeb242
Manifest55020ef11870476ea5f5d4fac49b3c9541869e74ed45b8c5c26f34723a2afde3

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
SignatureUZ/mN8uve3X2lDNTcWaaNWnfY2IM73yQkejAO5OUUMqNOf1Aw3Ehv56lWzrSznqjU31Qz3ROzxTOAA6xZ3mWDQ==
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

2026-10-11T04:23:06.201227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002148
observed f2a839c06c6e5f7f7b1c6ee00b7faf00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-11T04:23:06.188789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002148/manifest.json
observed 55020ef11870476ea5f5d4fac49b3c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-11T04:23:06.175437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002148/publication.md
observed a5a6341b6b42681314b83715bddfa8d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-11T04:23:06.101335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002148/publication.txt
observed f9619c58067cf8da89a6e5ab630f3612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:50:20.081708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002148
observed f2a839c06c6e5f7f7b1c6ee00b7faf00...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:19.929793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002148/manifest.json
observed 55020ef11870476ea5f5d4fac49b3c95...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:19.917333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002148/publication.txt
observed f9619c58067cf8da89a6e5ab630f3612...
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