OT-2026-000000682
Publication integrity record
Transducer comprising a diaphragm for use with hydrogen-containing fluid media
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-2026-000000682) never changes.
Identity and time
| Publication number | OT-2026-000000682 · never reused |
|---|---|
| Internal UUID | 01a0a673-b173-7ad9-9f3a-8dbfc06d0b40 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:15.059424Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000682 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58ba39a0abf598f5b03f2caa01759c9c9ca685dc749180d7816f737a2daafc3e |
|---|---|
| Markdown | 2368814862929bf4cf8927abec60fa5ff1318f1475a5bbc3043e8be1d8a3b0cd |
| Publication page | cc5a7c3ed2670cb0e644c4a9c8c8f55bf0801c9f1f65d38ea47119c825403386 |
| Manifest | c1c863098f47a3b187d6f3e5cd33511263357c7a73ebbdd1b637e619f9e16537 |
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 | kMFDVt6Kt0OKUeFR/ES6vVAFm+vhZn7fYDADSZDTslgesUL4sRm1/p2jFLYc7lik35BReootqMK7d2lfkMISBQ== |
| 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
| 2026-09-15T20:40:16.529749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000682observed cc5a7c3ed2670cb0e644c4a9c8c8f55b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:40:16.498439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000682/manifest.jsonobserved c1c863098f47a3b187d6f3e5cd335112...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:16.477826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000682/publication.txtobserved 58ba39a0abf598f5b03f2caa01759c9c...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 |
|---|