OT-2026-000000830
Publication integrity record
Rainwater storage device and construction method thereof
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-2026-000000830) never changes.
Identity and time
| Publication number | OT-2026-000000830 · never reused |
|---|---|
| Internal UUID | 01a0a673-e298-79f2-9b51-dce62a915750 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:27.640908Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000830 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4f0d82dd5d49174a244d1aaaa77c44574391a3a9970f5b581c92f9b6ee28256 |
|---|---|
| Markdown | 03299124e0a3dc0429fedb2d8959fb4d31c7b9785de73e3a3bb16523faabb08d |
| Publication page | f53bc9fc9adc7732e09e3a07b15f54d8969e3f268ce036d89b5f9e39086370d6 |
| Manifest | 0b44a85192b2d03a6edbdb204f7cd1ca515cc0062b1cb5795abf69bee47f6236 |
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 | GVVOSpBgmgvCstug/lXUby0FjGnbwFgvL/KwV6Tg8k0fYRiyytADbmfetaH0ZDQuekURz+6D7TM3/FN7t1iEBQ== |
| 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
| 2026-10-18T16:41:30.251357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000830observed f53bc9fc9adc7732e09e3a07b15f54d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T16:41:30.178075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000830/manifest.jsonobserved 0b44a85192b2d03a6edbdb204f7cd1ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T16:41:30.106162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000830/publication.mdobserved 03299124e0a3dc0429fedb2d8959fb4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T16:41:29.943802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000830/publication.txtobserved a4f0d82dd5d49174a244d1aaaa77c445...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:09.337633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000830observed f53bc9fc9adc7732e09e3a07b15f54d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:09.322714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000830/manifest.jsonobserved 0b44a85192b2d03a6edbdb204f7cd1ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:09.307740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000830/publication.mdobserved 03299124e0a3dc0429fedb2d8959fb4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:09.242574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000830/publication.txtobserved a4f0d82dd5d49174a244d1aaaa77c445...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|