OT-2026-000002688
Publication integrity record
Method for monitoring health of a robotic system
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-2026-000002688) never changes.
Identity and time
| Publication number | OT-2026-000002688 · never reused |
|---|---|
| Internal UUID | 01a0a67e-293d-7981-9527-e9d68740de6e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:41.085685Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002688 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8ae39f4961f3c8f0e742216d37ea5e4c1e9083db00159880f077c4500998597 |
|---|---|
| Markdown | 97b1bec455f25b61ae5c4eb1c6ccc45162ec2812e4d073cde3343e575499f1d5 |
| Publication page | a235e675dcd8ad70c30e06a17eb5bf6a8809d25819ba45b759fda44899312fa6 |
| Manifest | 9e5d3bb99aa06d599001410a893921158ddc3c82d075979fca3ae62bd6565c55 |
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 | SO7WOlcymvcwCmsiDavPxMPkd5PJT08PpGLG0IbOhUu0yvEwkxjjPJ2rX0Z+0eNjVRyIqffchO3bEFKIVYPJBQ== |
| 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
| 2026-09-16T12:42:29.199681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002688observed a235e675dcd8ad70c30e06a17eb5bf6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T12:42:29.076767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002688/manifest.jsonobserved 9e5d3bb99aa06d599001410a89392115...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:28.962523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002688/publication.mdobserved 97b1bec455f25b61ae5c4eb1c6ccc451...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:28.820758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002688/publication.txtobserved d8ae39f4961f3c8f0e742216d37ea5e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:16.423112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002688observed a235e675dcd8ad70c30e06a17eb5bf6a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:16.394419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002688/manifest.jsonobserved 9e5d3bb99aa06d599001410a89392115...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:16.378916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002688/publication.txtobserved d8ae39f4961f3c8f0e742216d37ea5e4...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 |
|---|