OT-2026-000002406
Publication integrity record
Air chuck having first and second solenoid valves
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-2026-000002406) never changes.
Identity and time
| Publication number | OT-2026-000002406 · never reused |
|---|---|
| Internal UUID | 01a0a67c-6af7-78b1-a103-875682e01659 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:12:46.840504Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002406 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9de8c6a4e0d526d16fff7c007fbfc2c519d06699b645a273220d7d64bef8959 |
|---|---|
| Markdown | 74ec32b2e19797b98ab210c7a8e88b31ccb77a133a8580da0dd234480ba7524b |
| Publication page | 549661baccaa62944f48fb47049f0e921ee3fa0be72138a41f171b9661ac53bb |
| Manifest | 88f86b84f0b0be3cfaa9d967e1ef08d0d29573b0b0f623d977d57a58227747ef |
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 | qjzNrcWNrvyq58g+pobRTBsa6Gp1YN9zyk+n0HcxbeY6a+sFP+P7aiiykKhyxe4byTL05iP/cDe/UbmK2nd4Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-15T19:40:19.039351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002406observed 549661baccaa62944f48fb47049f0e92...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:40:19.010557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002406/manifest.jsonobserved 88f86b84f0b0be3cfaa9d967e1ef08d0...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:18.998436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002406/publication.txtobserved a9de8c6a4e0d526d16fff7c007fbfc2c...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 |
|---|