OT-2026-000002678
Publication integrity record
Robotic system simulation engine
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-2026-000002678) never changes.
Identity and time
| Publication number | OT-2026-000002678 · never reused |
|---|---|
| Internal UUID | 01a0a67e-19fe-7ec1-ae4b-73d7493c395d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:37.183064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002678 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8fcc182fd9d0d0b03118ff7f2a790e1f4e3ffd0d0d77750f62243547f1881e78 |
|---|---|
| Markdown | bd5e634a663d3aa6960d1c4ab9832acda594e5634f1a470f335c5938b4393433 |
| Publication page | 96e6924e5646f48b3fe6d7bd4071e7023882e4adcafb77ac4cb08a35e01a8ece |
| Manifest | aa56bd616c5d133b13d308910fab530db65c74d6d91167778ca5674556775ef2 |
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 | kh3Foys2JZj1vVJpVn7gfzwdJxreLFI39L4e4KhMNQ6wb0ZbffuUIPBjDWrJTy5FLtMIc4ztjvo522WXcAU3Ag== |
| 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
| 2026-09-15T21:12:36.514745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002678observed 96e6924e5646f48b3fe6d7bd4071e702...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T21:12:36.373973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002678/manifest.jsonobserved aa56bd616c5d133b13d308910fab530d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:12:36.237049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002678/publication.mdobserved bd5e634a663d3aa6960d1c4ab9832acd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:12:36.102031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002678/publication.txtobserved 8fcc182fd9d0d0b03118ff7f2a790e1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:17.675462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002678observed 96e6924e5646f48b3fe6d7bd4071e702...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:17.641087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002678/manifest.jsonobserved aa56bd616c5d133b13d308910fab530d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:17.619918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002678/publication.txtobserved 8fcc182fd9d0d0b03118ff7f2a790e1f...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 |
|---|