OT-2026-000002521
Publication integrity record
Mobile robotic arm configured to provide on-demand assistance
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-2026-000002521) never changes.
Identity and time
| Publication number | OT-2026-000002521 · never reused |
|---|---|
| Internal UUID | 01a0a67d-2d77-7cf3-9710-b04d7e2a96d2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:36.631541Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b07c20e34e4b6bd576c600d3be922fd22531d6007dd4e37dc0bd77c220c702b |
|---|---|
| Markdown | c5f7b87d9305d5e889e766a55710554b4671c7158e0480028182777dc9069bb0 |
| Publication page | dd3246ec7d118b3c9a93d8505050d72db9896c84fbb1413b302570ade955423d |
| Manifest | 4b57cc8109b30645f8aca38b78049aa8a2db5e25499488a8b03f878dbdd4eaa1 |
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 | szjysUu2rWJiqZAeYSbI+nGKyRgai9OpALiuhfsYdgY4RZvxUsPFGs6jTL6exOnG/rv8yhQFr2tD0IYKIpvZDg== |
| 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
| 2026-09-15T19:30:37.625761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002521observed dd3246ec7d118b3c9a93d8505050d72d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:30:37.595624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002521/manifest.jsonobserved 4b57cc8109b30645f8aca38b78049aa8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:37.582929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002521/publication.txtobserved 1b07c20e34e4b6bd576c600d3be922fd...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 |
|---|