OT-2026-000004082
Publication integrity record
Vacuum cup gripper, common isolation valve, six outlet manifold, pump fed
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-2026-000004082) never changes.
Identity and time
| Publication number | OT-2026-000004082 · never reused |
|---|---|
| Internal UUID | 01a0a90e-6821-725f-80bd-987c11d5df40 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:28.804767Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004082 |
| Status | PUBLIC |
Content hashes
| Canonical text | 321ac26c3d20ce6bd108f13eaf612c8dcca83ae0e2701543f5767a39aae4ec1c |
|---|---|
| Markdown | 9db66b64de72a6768d3bb239b93dda5e93bbebcdfffb21718e92d815e07336a9 |
| Publication page | 81cefb016eda20e47261de17f9912718dd908c71dc59b0059844e53951703c30 |
| Manifest | e7a3d5634c7cd0e60614270d02becc40b7cb1824ba09be8006f1ed240f6225a0 |
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 | vTEpcDwgmiNjFKonkc2eDH3OgnfU9YCYG+ELRzHvgz2q2x5ReQ+55VJLTvDwYFfXBU4dOwTCbZXbximhjCW1BQ== |
| 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
| 2026-10-29T16:41:04.721214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004082observed 81cefb016eda20e47261de17f9912718...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T16:41:04.650066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004082/manifest.jsonobserved e7a3d5634c7cd0e60614270d02becc40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:04.580505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004082/publication.mdobserved 9db66b64de72a6768d3bb239b93dda5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:04.303838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004082/publication.txtobserved 321ac26c3d20ce6bd108f13eaf612c8d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:41:17.632473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004082observed 81cefb016eda20e47261de17f9912718...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:41:17.562217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004082/manifest.jsonobserved e7a3d5634c7cd0e60614270d02becc40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:41:17.501910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004082/publication.mdobserved 9db66b64de72a6768d3bb239b93dda5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:41:17.248653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004082/publication.txtobserved 321ac26c3d20ce6bd108f13eaf612c8d...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 |
|---|