OpenTechnical

OT-2026-000003242

Publication integrity record

Robots using modular direct drive motors

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-2026-000003242) never changes.

Identity and time

Publication numberOT-2026-000003242 · never reused
Internal UUID01a0a6a3-8027-772f-8088-bd57b83bd32f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:55:28.167398Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003242
StatusPUBLIC

Content hashes

Canonical texta225cd09898a3bbc0213c7b2fc90fa6389009a6ae16cf99130ace00c121591b1
Markdown10c8487bcbdb9ac4244a74585bcb729a643888c88c983d97bc3c83c17d7c9878
PDF
Publication page56cac986a370af74c6185012f57b1af830ed395c8e85a5c0c05f5c87af4e4194
Manifest9f8ece1cbec1f80ecb3ac76e7367d977693a4e8d69fe05f26164705d73704aa1

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
Signature3+EyUscdxDJ1mRKa3YQr3kSx7fx4J76qV/8Brq2IZiy2juzcqCVLh6W0Jxtn5mvDwZdBVwNlv8nWmj9/UIv9DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:07:03Z
batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof
root d42f3e627490c26ffd144bf37543fecf...

Independent retrieval

2026-09-16T04:42:37.282225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003242
observed 56cac986a370af74c6185012f57b1af8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:42:36.808744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003242/manifest.json
observed 9f8ece1cbec1f80ecb3ac76e7367d977...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:42:36.403728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003242/publication.md
observed 10c8487bcbdb9ac4244a74585bcb729a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:42:35.809260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003242/publication.txt
observed a225cd09898a3bbc0213c7b2fc90fa63...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:00:06.750011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003242
observed 56cac986a370af74c6185012f57b1af8...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:06.718390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003242/manifest.json
observed 9f8ece1cbec1f80ecb3ac76e7367d977...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:06.705293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003242/publication.txt
observed a225cd09898a3bbc0213c7b2fc90fa63...
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