OT-2026-000002686
Publication integrity record
Valve module for vacuum pump
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-2026-000002686) never changes.
Identity and time
| Publication number | OT-2026-000002686 · never reused |
|---|---|
| Internal UUID | 01a0a67e-25c8-71e4-ab14-cada51e23e21 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:40.201049Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002686 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0c6f51b7bf9f97240c17375ce4382891b1a1fc78e001b51feb7faa594ec83b73 |
|---|---|
| Markdown | 1bb811b0d94e9d5a900bf88b32b5f701945157b993e6c6058e9722207007cc38 |
| Publication page | fbc23b9ac32056add6c964ddbb4cd87ef6452fbe049680c9208ea8897e40d4ba |
| Manifest | a4df2ab643d834156e54f18c4a60100ebf45e8109e0a3bf287e88967e58889f6 |
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 | Ol/w+VzOeUHNqBfJfeqdsqxAq1sKYq4GOLW3YKmo58FV5pixjy6r0/27FIYhkVvA1dgBkIwDuRTKAd0+SVA4Dg== |
| 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
| 2026-09-15T19:30:16.663238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002686observed fbc23b9ac32056add6c964ddbb4cd87e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:30:16.631516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002686/manifest.jsonobserved a4df2ab643d834156e54f18c4a60100e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:16.618025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002686/publication.txtobserved 0c6f51b7bf9f97240c17375ce4382891...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 |
|---|