OT-2026-000002964
Publication integrity record
Method and system for electromechanical safety for robotic manipulators
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-2026-000002964) never changes.
Identity and time
| Publication number | OT-2026-000002964 · never reused |
|---|---|
| Internal UUID | 01a0a67f-c2ca-71b0-a5da-b63c36794b99 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:16:25.930387Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002964 |
| Status | PUBLIC |
Content hashes
| Canonical text | 060a79d26fdfd2c1bb6c05ab29cdb59a7c268286cf0ef986a12821640e1b3a35 |
|---|---|
| Markdown | 7e2b026649c1e73829c978ef2f0da6d460591102f6449850fedf7eb0f752438c |
| Publication page | 8fe8d2a73e47e9c6fcec4f9a7b7c936baaba7adb16aee1dce563e854a18a8edb |
| Manifest | 395629700e772acd00d0970efdad8bb937103b3b893ae733e271e77f2d13f912 |
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 | 4a0GL0pBj5fkGb4w8hN2vZh9stklY4Y/MHP/FS8uGbk3CP3DcBO7tbO0M5OpqJmJPZVtaH/aj5vgw50JOFldAg== |
| 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... |
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Independent retrieval
| 2026-09-22T12:41:39.498017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002964observed 8fe8d2a73e47e9c6fcec4f9a7b7c936b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-22T12:41:39.433380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002964/manifest.jsonobserved 395629700e772acd00d0970efdad8bb9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:39.364104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002964/publication.mdobserved 7e2b026649c1e73829c978ef2f0da6d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:39.224219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002964/publication.txtobserved 060a79d26fdfd2c1bb6c05ab29cdb59a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:14.237517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002964observed 8fe8d2a73e47e9c6fcec4f9a7b7c936b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:14.209249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002964/manifest.jsonobserved 395629700e772acd00d0970efdad8bb9...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:14.192468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002964/publication.txtobserved 060a79d26fdfd2c1bb6c05ab29cdb59a...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 |
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