OpenTechnical

OT-2026-000002917

Publication integrity record

Backdrivable actuator for exoskeleton

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-2026-000002917) never changes.

Identity and time

Publication numberOT-2026-000002917 · never reused
Internal UUID01a0a67f-7b62-775b-899c-99721c3bed4b · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:07.651400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002917
StatusPUBLIC

Content hashes

Canonical texta13d348f72cfc2cfedbce235892fe5d56cc9fd688751152ddee11875728d4a0e
Markdown2f2efb4e33c040e32611e770e1af123819a224adbfe0d01bdf3be9da17e5e3a9
PDF
Publication pagefc1295b8956e4647c5673aff654160d4638ef57be2adee68c1e5bc0422c87cc9
Manifeste6239fe1c9f75b437204d5a03c2ffc851da26900219a29fcacdafda37d351588

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
Signaturee79YTp7+1swA1T3gEy2On8va+PmK22W6wqHjhgokFKDpY/iKyrf5tvAaLT/6aIV9zWG4BplwWVyDkMrxBnr6AA==
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

2026-09-15T19:20:19.644092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002917
observed fc1295b8956e4647c5673aff654160d4...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:19.501358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002917/manifest.json
observed e6239fe1c9f75b437204d5a03c2ffc85...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:19.486590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002917/publication.txt
observed a13d348f72cfc2cfedbce235892fe5d5...
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