OT-2026-000078019
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078019) never changes.
Identity and time
| Publication number | OT-2026-000078019 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2f44-743c-bb0d-494d4846b33e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078019 |
| Status | PUBLIC |
Content hashes
| Canonical text | e384bdd086e83be11899624db432007c581b1143546a3747796ec87f98b2dda6 |
|---|---|
| Markdown | 4c82f39583bfc97ef5a90e6d8b06c60738a6bf2746a6828d06c67174ba4146f1 |
| Publication page | 5f6d354167fe0debf89cd7a1a211fd585cb5d3f052711283fe7957badbef5f1d |
| Manifest | 26f91caf9b880e8478a216623af2770e0e1beee53f52034c7555ed4e7046f540 |
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 | KWLCcJznCGWIZw6XTnONrlR5Q5zSAAwvYKD/bVY85AGq+3hVpG5Pp3HHgmcqoDDb3VMpjZnF2fCTcW6Trt3YBw== |
| 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... |
|---|
Independent retrieval
| 2026-10-31T20:41:20.942104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078019observed 5f6d354167fe0debf89cd7a1a211fd58...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T20:41:20.892076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078019/manifest.jsonobserved 26f91caf9b880e8478a216623af2770e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:20.841257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078019/publication.mdobserved 4c82f39583bfc97ef5a90e6d8b06c607...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:20.785933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078019/publication.txtobserved e384bdd086e83be11899624db432007c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:26.553747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078019observed 5f6d354167fe0debf89cd7a1a211fd58...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:26.483782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078019/manifest.jsonobserved 26f91caf9b880e8478a216623af2770e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:26.403746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078019/publication.mdobserved 4c82f39583bfc97ef5a90e6d8b06c607...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:26.203013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078019/publication.txtobserved e384bdd086e83be11899624db432007c...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 |
|---|