OT-2026-000001695
Publication integrity record
Methods and devices for transmitting emergency signals over differential signal lines in robotic systems
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-2026-000001695) never changes.
Identity and time
| Publication number | OT-2026-000001695 · never reused |
|---|---|
| Internal UUID | 01a0a677-cba2-7e4d-b8af-22ab8c0697f4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:07:43.907005Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001695 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2af310a5ecaa68a5df4a55c6a6ad8256f744b5c75170e81f648c1dc282d50c7f |
|---|---|
| Markdown | 9214255bd40bd0df2c74f9753d8cb05492727dee47cf967f0b0b331f68713ec7 |
| Publication page | 6dd975c11c5c4a7953c4d618ac154f3d02841f9317a62fbcab28fc5842ac4138 |
| Manifest | 2f217647cf1f0d4fbde520ed90524c0be529c151b31ac600a566f9a50a5282f5 |
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 | vt7GEdKs9JQDvVlLEUIqodY+p9i4lXM53Z8bUyFGJm7jZAvLQ1EhQM8M6bX6HryMoECKpHDBJkVOg86LXNFrBg== |
| 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
| 2026-10-25T00:41:13.381677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001695observed 6dd975c11c5c4a7953c4d618ac154f3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T00:41:13.336076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001695/manifest.jsonobserved 2f217647cf1f0d4fbde520ed90524c0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:13.287102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001695/publication.mdobserved 9214255bd40bd0df2c74f9753d8cb054...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:13.135181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001695/publication.txtobserved 2af310a5ecaa68a5df4a55c6a6ad8256...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:36.138810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001695observed 6dd975c11c5c4a7953c4d618ac154f3d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:36.110344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001695/manifest.jsonobserved 2f217647cf1f0d4fbde520ed90524c0b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:36.098750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001695/publication.txtobserved 2af310a5ecaa68a5df4a55c6a6ad8256...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. |
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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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