OT-2026-000002161
Publication integrity record
Inspection robot including sensor groups operated with calibration sets
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-2026-000002161) never changes.
Identity and time
| Publication number | OT-2026-000002161 · never reused |
|---|---|
| Internal UUID | 01a0a67a-f4ed-7f39-b797-64b68d865150 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:11:11.086288Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002161 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2d345b96913b6cc93904a2c269352314463f553a78e1392154f80948386e25f2 |
|---|---|
| Markdown | fa9750e6e3a1d5ca293326fadd7cc9e23566fdaf05adf67e148dddced6daf61a |
| Publication page | 0b1cc857a53d66f559cd0522dacdc6544370a92683020d39421d252137adfe35 |
| Manifest | f30907fa90481d70bc6e174fd5d75bad29e1a621297fcaa5d6c2da0ceb84ea8b |
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 | Dq7EZjAiXJmZ3VTwHSw33btw+3Q/YmvtX5e//ZOo2OIoTE5SXI5cfJdKPhqN8ZbE6oQLQ+eRCemRBFHZwSRsAQ== |
| 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
| 2026-10-18T16:41:59.303494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002161observed 0b1cc857a53d66f559cd0522dacdc654...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T16:41:59.219902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002161/manifest.jsonobserved f30907fa90481d70bc6e174fd5d75bad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T16:41:59.145855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002161/publication.mdobserved fa9750e6e3a1d5ca293326fadd7cc9e2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T16:41:58.821221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002161/publication.txtobserved 2d345b96913b6cc93904a2c269352314...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:18.619108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002161observed 0b1cc857a53d66f559cd0522dacdc654...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:18.590412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002161/manifest.jsonobserved f30907fa90481d70bc6e174fd5d75bad...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:18.575944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002161/publication.txtobserved 2d345b96913b6cc93904a2c269352314...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 |
|---|