OT-2026-000001626
Publication integrity record
Movement control method for underactuated system robot and underactuated system 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-2026-000001626) never changes.
Identity and time
| Publication number | OT-2026-000001626 · never reused |
|---|---|
| Internal UUID | 01a0a677-3c1b-7163-9f97-5b2470f8d79c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:07:07.163757Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001626 |
| Status | PUBLIC |
Content hashes
| Canonical text | 02735e5a52ab559149e6e2fb7bf75c37c5926ef9404bc479d3e273497ccfa2fc |
|---|---|
| Markdown | ad564d628885fb764ee4bcceb9a317330e38ab1c2130bc59749158fe9eebc058 |
| Publication page | 4e191b1139b721857d6ac29852c46bd4c1f3daada9319772c1c66ea4025c956c |
| Manifest | e142ed19c2083319331545e6d551c89408dac718148a89b0a3e9cc23bca102e7 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | R7e5Hys6J1RT39EG71zdg9Fsx7I8PKXzsJJIbxriH5DYybrYUP41Vw2ijwe6Qw3M6WXgcWQaPoER3qk2uQwJBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-19T20:41:52.836147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001626observed 4e191b1139b721857d6ac29852c46bd4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-19T20:41:52.703716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001626/manifest.jsonobserved e142ed19c2083319331545e6d551c894...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:41:52.557961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001626/publication.mdobserved ad564d628885fb764ee4bcceb9a31733...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:41:52.203108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001626/publication.txtobserved 02735e5a52ab559149e6e2fb7bf75c37...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:21.736960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001626observed 4e191b1139b721857d6ac29852c46bd4...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:21.707234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001626/manifest.jsonobserved e142ed19c2083319331545e6d551c894...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:21.694544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001626/publication.txtobserved 02735e5a52ab559149e6e2fb7bf75c37...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 archive | Pending 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-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|