OT-2026-000003238
Publication integrity record
Apparatus for cleaning an air pump silencer
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-2026-000003238) never changes.
Identity and time
| Publication number | OT-2026-000003238 · never reused |
|---|---|
| Internal UUID | 01a0a6a2-9886-776a-87ae-057162925f8d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:54:28.870831Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003238 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3b5911707981d25ecb5b57e27aa231798e3166b4bd0638283b6994f011823ac3 |
|---|---|
| Markdown | d713ac018ef18693b61ecff5ac78b463b78bb704c5da5ce2cc9b72e0519834c9 |
| Publication page | 682fbfa0ea319f4734f26dac829ef1f774d9706e12a6ecbfd2622f35ddac0ca8 |
| Manifest | 170fb68f2f9975090ba6bef6dd1318f859ff3b7648dbc25cef5fd7b3e00f514c |
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 | Z7RaksprFNNjznmXYGjIb/bSvXN8BAqlsTcWmDDQ5mfQKMMm2hqXt0gtAKbkRE05KLqn73N25Ba+HEO23lHQAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-09-15T20:00:07.243004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003238observed 682fbfa0ea319f4734f26dac829ef1f7...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:00:07.208467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003238/manifest.jsonobserved 170fb68f2f9975090ba6bef6dd1318f8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:07.194231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003238/publication.txtobserved 3b5911707981d25ecb5b57e27aa23179...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 |
|---|