OpenTechnical

OT-2026-000001014

Publication integrity record

Method for calibrating a mobile robot

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-2026-000001014) never changes.

Identity and time

Publication numberOT-2026-000001014 · never reused
Internal UUID01a0a674-235b-7806-8ea0-77d38564d514 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:44.219775Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001014
StatusPUBLIC

Content hashes

Canonical text68caecff97ec2ee14790b2ebf12c3e1b2bd8fc3ff01713aefdbc2f122010a11f
Markdown7f124291da7deda47f61b9161c72109582dc605ebc193c62e3be0f581ed37d84
PDF
Publication page2f5ae87fc3f80ae15e06fce744e8868cec7f421f6f07952a8c8eac5b60309c62
Manifesta351fe277c49d90075ab9aa683ae43fca40a30ed6fc177ab9ff8f851a71bdbf0

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
SignatureNLlU7QDlE7+k3t5V1QhG9NfDRt2z6eTDLjgc+nHVcrnIFMaYyg0JJaW0ftINIR4bwJE3mhHPZTPZHfQL7dHcDw==
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

2026-10-24T12:41:24.288659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001014
observed 2f5ae87fc3f80ae15e06fce744e8868c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:24.223383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001014/manifest.json
observed a351fe277c49d90075ab9aa683ae43fc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:24.160619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001014/publication.md
observed 7f124291da7deda47f61b9161c721095...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:24.050656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001014/publication.txt
observed 68caecff97ec2ee14790b2ebf12c3e1b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T04:23:27.175909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001014
observed 2f5ae87fc3f80ae15e06fce744e8868c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:27.164396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001014/manifest.json
observed a351fe277c49d90075ab9aa683ae43fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:27.150424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001014/publication.md
observed 7f124291da7deda47f61b9161c721095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:27.014092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001014/publication.txt
observed 68caecff97ec2ee14790b2ebf12c3e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, 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