OT-2026-000003283
Publication integrity record
Modular, expandable and reconfigurable 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-2026-000003283) never changes.
Identity and time
| Publication number | OT-2026-000003283 · never reused |
|---|---|
| Internal UUID | 01a0a6a9-d34e-7ea8-bb6b-3d860c1f7f96 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:02:22.670401Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003283 |
| Status | PUBLIC |
Content hashes
| Canonical text | a3e53c00b9523ac429a5e6cb1578ff07640c93cc03e2c1eb1ad05edc5d4e81f0 |
|---|---|
| Markdown | 9545d776d7cf0fa31dfae27b3dcae3f851a94f15bdc2d55af50025156ce1052c |
| Publication page | 741cbf782413ccea1942cdfb143354a691ac67ef97892aa840052def6143c703 |
| Manifest | 6526a7f5f65733316f5eea6a59cdb4c1f12cf5e306d797957afa11805fd9e6db |
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 | OR8cHUsz8AMa8FsajLdG82Cx+EJmxsBDnTjZp5K6Z6FJlaAX/AxPiR8TsEI1vPF9JVXxy/2JFUoirwUAQSBRAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-09-29T04:41:29.120646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003283observed 741cbf782413ccea1942cdfb143354a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T04:41:29.044154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003283/manifest.jsonobserved 6526a7f5f65733316f5eea6a59cdb4c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:28.970659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003283/publication.mdobserved 9545d776d7cf0fa31dfae27b3dcae3f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:28.765506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003283/publication.txtobserved a3e53c00b9523ac429a5e6cb1578ff07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:42:24.428674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003283observed 741cbf782413ccea1942cdfb143354a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:42:24.041833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003283/manifest.jsonobserved 6526a7f5f65733316f5eea6a59cdb4c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:42:23.508946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003283/publication.mdobserved 9545d776d7cf0fa31dfae27b3dcae3f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:42:23.128040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003283/publication.txtobserved a3e53c00b9523ac429a5e6cb1578ff07...fetched by grabo-systems from 34.44.131.203, 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 |
|---|