OT-2026-000000062
Publication integrity record
Compressed Air Ring Main Leak Localization System
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-2026-000000062) never changes.
Identity and time
| Publication number | OT-2026-000000062 · never reused |
|---|---|
| Internal UUID | 01a0a4f1-51e4-72c5-a0b7-ae1b35715d4c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T12:01:13.703495Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000062 |
| Status | PUBLIC |
Content hashes
| Canonical text | 767c0b7e7e09489c70385bfe736a2f8ed7e15bf6f34334c0d82d5d3608fdc1a8 |
|---|---|
| Markdown | abfdc3d9a759fcfec8ebbdc4a7c011bc58b9721d035621c3fec5e4ee2d0fe834 |
| 917db1ced6f565f669120bef399685f6598e31bfc7c42804ace7a74972c9dd56 | |
| Publication page | c332f01ffb9e083dc913ed0fc4db4614f7b1b712cfd7eb3198f4ba4ece028df1 |
| Manifest | d1fb8c3747bf6e03bceec4d00d059f8fff8cdc632bf65205b6bc445785a1ff1f |
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-2026-02 · Verified |
|---|---|
| Signature | 1gfHX5DAKD0m7rCEd3mNGcP3P6jN70aYwmS+EsirWxJdriNZsqxrg1NFv5NnbrmJdmlRfFleGDuMLzwCWkBEBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T12:03:59Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root 374ac7be5b27e8fbd4755a00ec69d4c7... |
|---|
Independent retrieval
| 2026-09-15T12:41:44.360279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000062observed c332f01ffb9e083dc913ed0fc4db4614...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T12:41:44.200326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000062/publication.pdfobserved 917db1ced6f565f669120bef399685f6...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:41:44.048920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000062/manifest.jsonobserved d1fb8c3747bf6e03bceec4d00d059f8f...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:41:43.914242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000062/publication.txtobserved 767c0b7e7e09489c70385bfe736a2f8e...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:04:37.913945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000062observed c332f01ffb9e083dc913ed0fc4db4614...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:04:37.898430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000062/publication.pdfobserved 917db1ced6f565f669120bef399685f6...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:04:37.887050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000062/manifest.jsonobserved d1fb8c3747bf6e03bceec4d00d059f8f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:04:37.872593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000062/publication.txtobserved 767c0b7e7e09489c70385bfe736a2f8e...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.zstf5540ade9ee87306569c02456843c15d... · 9,431,008 bytes · held by held on site pending an external custodian · retention permanent |
|---|