OT-2026-000090191
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down
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-2026-000090191) never changes.
Identity and time
| Publication number | OT-2026-000090191 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-7335-9875-169965780d68 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090191 |
| Status | PUBLIC |
Content hashes
| Canonical text | bd153f67e96c2a2c34272485c268537497b5bb3b51be1feb011ed238f95f217a |
|---|---|
| Markdown | 424c7d88841fdc3b18c76b618a90df1f7a984de249caf93e5de0512e592420ef |
| Publication page | 43bb26f29f987e41a312736da88e0b48187939de52d2bc91acd098e581ac7017 |
| Manifest | 9e978ef964787941bd8a5ddc0206b00057d4183ba6a6fc4d8d45fca0a7c6e5c0 |
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 | V0km8OBxRd3Gr/Pz/Wtx67u+jPrLHyR9w6Ba4ZFZPqqEnE4X0yAI1YXnnk5z5JFUtZU+01iopqhOq9MKNMxFAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-09-23T00:41:05.487215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090191observed 43bb26f29f987e41a312736da88e0b48...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-23T00:41:05.429575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090191/manifest.jsonobserved 9e978ef964787941bd8a5ddc0206b000...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:05.380006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090191/publication.mdobserved 424c7d88841fdc3b18c76b618a90df1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:05.287990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090191/publication.txtobserved bd153f67e96c2a2c34272485c2685374...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T00:42:48.139944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090191observed 43bb26f29f987e41a312736da88e0b48...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T00:42:47.941592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090191/manifest.jsonobserved 9e978ef964787941bd8a5ddc0206b000...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T00:42:47.795333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090191/publication.mdobserved 424c7d88841fdc3b18c76b618a90df1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T00:42:47.627061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090191/publication.txtobserved bd153f67e96c2a2c34272485c2685374...fetched by grabo-systems from 34.44.131.203, 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 |
|---|