OT-2026-000000061
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-2026-000000061) never changes.
Identity and time
| Publication number | OT-2026-000000061 · never reused |
|---|---|
| Internal UUID | 01a0a672-905d-7d68-bf7f-3b1abf74f403 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:01.056649Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000061 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3486317850e93b2878960fb3d11dc66a16aacdf51e1a6656dedef2292d0d8a9c |
|---|---|
| Markdown | 7dd23817604caebb786c26a9a8b1a9a876f4cce6672612c155ddc81eeb47bed8 |
| Publication page | fa87f7f8a77c11f29d1dabfba415d77590d0ba1b0e0949bd00b1e532004666a1 |
| Manifest | 9b4c36b229c58a42a1194d1fb601d7daf80c7ffe1bc031b1ee11d9a88cfeca28 |
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 | /ICd3v4SWp/FNOqEAY5yUMACEiskhu/kW6su1G8yTZLqjYcYS5l/LnIHEu8SqLsebR5/MwQgy+ocNB+KTJ1+Ag== |
| 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
| 2026-09-15T21:00:15.893857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000061observed fa87f7f8a77c11f29d1dabfba415d775...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T21:00:15.862795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000061/manifest.jsonobserved 9b4c36b229c58a42a1194d1fb601d7da...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:00:15.848257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000061/publication.txtobserved 3486317850e93b2878960fb3d11dc66a...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 |
|---|