OT-2026-000003352
Publication integrity record
Automatic load sensing vacuum 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-2026-000003352) never changes.
Identity and time
| Publication number | OT-2026-000003352 · never reused |
|---|---|
| Internal UUID | 01a0a6b5-1299-76dc-86f3-75c036d44ecb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:14:39.770792Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003352 |
| Status | PUBLIC |
Content hashes
| Canonical text | 80a27a16ec1f8b8006bc6f19ee047c7c4802e61681c6da36066413f9e5b5ebe1 |
|---|---|
| Markdown | 3eb9110fee4832c77145b1514138f91336512a2c32c440ba340fda99552e1436 |
| Publication page | d5fd3b5e76dbd1c88ea01c83494e96069b2fc4f727838fb26a1841a04e72be6d |
| Manifest | 107204e9e4117557cccb3f71a18c426be11995b471afb33ab913ba9ff9a5a6aa |
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 | za2b9nZ57wmow5zci6Ax6l1k949QAyGMT0M8XIWE+OqYUmJK901l9JpNiOzKGloEm4eQpmVCUS978/pvq+bhCQ== |
| 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
| 2026-09-30T04:23:40.987670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003352observed d5fd3b5e76dbd1c88ea01c83494e9606...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T04:23:40.975577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003352/manifest.jsonobserved 107204e9e4117557cccb3f71a18c426b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:40.961664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003352/publication.mdobserved 3eb9110fee4832c77145b1514138f913...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:40.793376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003352/publication.txtobserved 80a27a16ec1f8b8006bc6f19ee047c7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:06.366806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003352observed d5fd3b5e76dbd1c88ea01c83494e9606...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:06.339352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003352/manifest.jsonobserved 107204e9e4117557cccb3f71a18c426b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:06.327955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003352/publication.txtobserved 80a27a16ec1f8b8006bc6f19ee047c7c...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 |
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