OT-2026-000003413
Publication integrity record
Hydraulic control system
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-2026-000003413) never changes.
Identity and time
| Publication number | OT-2026-000003413 · never reused |
|---|---|
| Internal UUID | 01a0a6be-4da9-75ae-a8f1-be89ffa3a7d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:24:44.713903Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003413 |
| Status | PUBLIC |
Content hashes
| Canonical text | 54c3551b4baaf7de8c490eb8412a63bf0768bb8c71f4597d444cedf75019ed8a |
|---|---|
| Markdown | 62938074f07c68aacc38b463e7e11949850570715fa62da76a43dbce1acdc4a9 |
| Publication page | b63570d546116eae4842518d57008e74d55c3547b42087c4355125a553125463 |
| Manifest | ec0149bdc524e08d03514d4a753ea46dd79bbe787975fc4b3c3564f7ffd32d86 |
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 | 41aIdPcxWr2bzDnvp1P0icL75QqWLy8Tx+wuw0beDRSpmmqAkrLc8E+ElX7E2hZpvPtn0T5wwxv/zEI0/w5sDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:27:02Z batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof root 0d980c01ea01b2d7f69845e24a85320c... |
|---|
Independent retrieval
| 2026-09-15T20:30:08.219030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003413observed b63570d546116eae4842518d57008e74...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:30:08.191449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003413/manifest.jsonobserved ec0149bdc524e08d03514d4a753ea46d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:08.174813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003413/publication.txtobserved 54c3551b4baaf7de8c490eb8412a63bf...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 |
|---|