OT-2026-000003191
Publication integrity record
Switching valve
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-2026-000003191) never changes.
Identity and time
| Publication number | OT-2026-000003191 · never reused |
|---|---|
| Internal UUID | 01a0a69b-5e79-7db6-a861-0c9a74c14357 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:46:35.258073Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003191 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2273364c0e5c0991004c1fb01e0a8a49a4fe59d623f922905654a1d54cffbf44 |
|---|---|
| Markdown | 3f708b838476247000c612fdc7143881555a2ee3ee529225a20121ba66e60339 |
| Publication page | e92710e7ec4184bb0728c231663e27a3433eb9bf60d2cf305a7d351b5b5eceeb |
| Manifest | 04302d21efd91ad73a8af2a86dc7577c13dba1d5cb5bbc13edf5fac73626d2fb |
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 | ZbasDc7m0zyvJuvFY32NhUwoi1hle8SC90kDLchhAS7vSweghyA8eLCceqSFh8uObxmZVtBo+QHcmpGbNAzRBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-09-15T19:50:04.157460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003191observed e92710e7ec4184bb0728c231663e27a3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:50:04.120828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003191/manifest.jsonobserved 04302d21efd91ad73a8af2a86dc7577c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:04.106192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003191/publication.txtobserved 2273364c0e5c0991004c1fb01e0a8a49...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 |
|---|