OT-2026-000000304
Publication integrity record
Overflow system for recreational pools
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-2026-000000304) never changes.
Identity and time
| Publication number | OT-2026-000000304 · never reused |
|---|---|
| Internal UUID | 01a0a673-3604-7120-ba27-9770761c22b3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:43.461219Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000304 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a00e31b0a32f5b2b102dac808881658bb9e21c1abe91234e84c19aefc0d7a5c |
|---|---|
| Markdown | 775475e939ad3e627147ed07c95f43b0e98fa00434c5806dae751aca358d08b6 |
| Publication page | 308f9afb9b9ea7129d48f7b2d62138192472bf231c75a4572d22e0b32392bf52 |
| Manifest | 7b92dfbf91c493b668f85e07932c278a1cac09128c783a96c54ab3084672ffed |
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 | zKg9exerPaYxzJB42R5xGhGujBs6hUQFXph5VhjOO0uAowpksD1n4ZGV0WQKUkTcVMuRjekekdDRnWlNr+IzBA== |
| 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
| 2026-10-14T04:41:50.050271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000304observed 308f9afb9b9ea7129d48f7b2d6213819...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T04:41:50.002759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000304/manifest.jsonobserved 7b92dfbf91c493b668f85e07932c278a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:49.953770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000304/publication.mdobserved 775475e939ad3e627147ed07c95f43b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:49.884565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000304/publication.txtobserved 1a00e31b0a32f5b2b102dac808881658...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:25.860832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000304observed 308f9afb9b9ea7129d48f7b2d6213819...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:25.832006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000304/manifest.jsonobserved 7b92dfbf91c493b668f85e07932c278a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:25.821045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000304/publication.txtobserved 1a00e31b0a32f5b2b102dac808881658...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 |
|---|