OT-2026-000001388
Publication integrity record
Robot contact force model
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-2026-000001388) never changes.
Identity and time
| Publication number | OT-2026-000001388 · never reused |
|---|---|
| Internal UUID | 01a0a675-c8b7-7c9b-922e-abfdf6b4becc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:32.088405Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001388 |
| Status | PUBLIC |
Content hashes
| Canonical text | f89f93cbacf90bd98ed85e576972ccfc4f976d53ac62a8b9c398f6eb6c16ccbc |
|---|---|
| Markdown | 1f9b8b5abba6fe7345c72e7b381d7024c51568e393241939052f1dbb3503b8eb |
| Publication page | 84ff7f1da2599d63ea0301022a2cabb401984001263553953d2363d6e33ed9f1 |
| Manifest | c4916477dc922e52b7ae965d5c446104806b538bca4ba40482be3a7fe738dc25 |
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 | QZBEu5rAdO6WMFMsJ2vE22j8qaMdb0IY8br70AMzdGQIWYbcsztC59L8uBcve1P1qVeuDRJjprQ5oWFvjMfCAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-09-15T20:10:22.053679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001388observed 84ff7f1da2599d63ea0301022a2cabb4...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:10:22.022231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001388/manifest.jsonobserved c4916477dc922e52b7ae965d5c446104...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:22.009581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001388/publication.txtobserved f89f93cbacf90bd98ed85e576972ccfc...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 |
|---|