OT-2026-000024509
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000024509) never changes.
Identity and time
| Publication number | OT-2026-000024509 · never reused |
|---|---|
| Internal UUID | 01a0ae70-e8cb-7994-b7e9-050986c3c6fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:10.360874Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000024509 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8667b2eb8e650ec2fbb9d0ab05445eb28ba4578215f98380f2a0db3bc93add54 |
|---|---|
| Markdown | ac4575948429dd0878f62c29701e97573d6f623d3efd59812aa2be89d7ab328c |
| Publication page | 543d933214b75ae0edad5323f172d2a43b6cd2400226981c218ee4a70f919af7 |
| Manifest | 9950aeb887a3e8f2126d2d067655471774b99c7d2933087d3f4e93eab9a27932 |
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 | 6XzbpVioUmU/3RQug0CElRlji3wjmmx6IJ9+xA3VpZ7jSVt1Uds2p7DL/92mrpJm9Ig+m/6FZuqVPhF8YykQBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-21T16:41:49.750409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024509observed 543d933214b75ae0edad5323f172d2a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T16:41:49.694714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024509/manifest.jsonobserved 9950aeb887a3e8f2126d2d0676554717...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T16:41:49.640568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024509/publication.mdobserved ac4575948429dd0878f62c29701e9757...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T16:41:49.543965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024509/publication.txtobserved 8667b2eb8e650ec2fbb9d0ab05445eb2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:42:08.496872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024509observed 543d933214b75ae0edad5323f172d2a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:42:08.400015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024509/manifest.jsonobserved 9950aeb887a3e8f2126d2d0676554717...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:42:08.301070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024509/publication.mdobserved ac4575948429dd0878f62c29701e9757...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:42:08.205431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024509/publication.txtobserved 8667b2eb8e650ec2fbb9d0ab05445eb2...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 |
|---|