OT-2026-000000146
Publication integrity record
Systems, methods and devices for processing and handling plasterboard
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-2026-000000146) never changes.
Identity and time
| Publication number | OT-2026-000000146 · never reused |
|---|---|
| Internal UUID | 01a0a673-0af3-7d19-8ec8-ce8781104995 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:32.435680Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000146 |
| Status | PUBLIC |
Content hashes
| Canonical text | bff6fa8c7ca92a3ce67776a9eedd7d879f98fd51a31a95e54cfda185d6ed922a |
|---|---|
| Markdown | e3ca7f2f3044615c564b4e7bff92f107ea5c9663b4c0738e182f3ef8cae86d27 |
| Publication page | d396d417ca0dee8044c355c8fc32b10e9f510c183ecc96843a123948aed862d8 |
| Manifest | 30df5dcb5901b7ad4e09ee745cab10e3c637b5176bafa91c88f2a6045ed5dfd5 |
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 | yvwtHDlDjNIYvyo/UgOdRbaxRZqVz2eXkSkU7wxiZ8Sm8bwBydqaqc/ZLRw0PXbYk6uC0AHn7pDzy+i0194eDg== |
| 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
| 2026-09-15T21:00:07.120186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000146observed d396d417ca0dee8044c355c8fc32b10e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T21:00:07.090973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000146/manifest.jsonobserved 30df5dcb5901b7ad4e09ee745cab10e3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:00:07.079091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000146/publication.txtobserved bff6fa8c7ca92a3ce67776a9eedd7d87...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 |
|---|