OT-2026-000004439
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, six outlet manifold, three stage ejector, pressure verified
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-2026-000004439) never changes.
Identity and time
| Publication number | OT-2026-000004439 · never reused |
|---|---|
| Internal UUID | 01a0a917-c5e4-70c8-a9d3-534e831f2bb9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:42.632238Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004439 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6422a791c1898e248940852103debffa61feee08051a54ca16954bd30b018c88 |
|---|---|
| Markdown | d9d7b5653f5e923bb240a763cc2b35016d62578938d6616b8b955015adc0cf7b |
| Publication page | 5df98206ca99b6f10e2a7745a879e588c6e5b9c4a4c8356e69ad5a62d0bdb68f |
| Manifest | 6c03beb4799040984cdb6322277c5b0468061873274de89b74ba7df8669d2235 |
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 | T43kUPGzBpXiXOnyJkeAaTvS02xzyaJ+hVLQSw2NpH1dd40wcFleg6KjX4Qw7p58AOybYjiH2XyglvW5MGB7BQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:27.434640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004439observed 5df98206ca99b6f10e2a7745a879e588...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:27.420375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004439/manifest.jsonobserved 6c03beb4799040984cdb6322277c5b04...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.407241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004439/publication.mdobserved d9d7b5653f5e923bb240a763cc2b3501...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.393053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004439/publication.txtobserved 6422a791c1898e248940852103debffa...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|