OT-2026-000019190
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000019190) never changes.
Identity and time
| Publication number | OT-2026-000019190 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-7d52-ad28-33dcaa49ae44 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019190 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91b9a229a7b67612b90724c0ac8c3ecd81c8ebdc78ed9cc6d728f1319715c5da |
|---|---|
| Markdown | f29cfc26343a16e0e0fa0f15c249f93fa41933bfb45c3f70c6557ac27d5f0976 |
| Publication page | 930529403c6deb27001a689d2b784fa9fa25029a0f5b4e75cbd8850353699b7d |
| Manifest | e7f17b77ac3138f46eb60c2c341935047e54592ffee589b66aecf2a23b3b23cf |
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 | BXomlEyUqVG9WEjfy5R5DGaksHmtrrXJaeQG67IhtmF99v2dATN1to4ayPgCUcVWlwJsVUUa8PqB0vSx3fUZAg== |
| 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
| 2026-10-21T04:23:35.307886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019190observed 930529403c6deb27001a689d2b784fa9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T04:23:35.271982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019190/manifest.jsonobserved e7f17b77ac3138f46eb60c2c34193504...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:23:35.255968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019190/publication.mdobserved f29cfc26343a16e0e0fa0f15c249f93f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:23:35.143989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019190/publication.txtobserved 91b9a229a7b67612b90724c0ac8c3ecd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:32.276936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019190observed 930529403c6deb27001a689d2b784fa9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:32.218825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019190/manifest.jsonobserved e7f17b77ac3138f46eb60c2c34193504...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:32.010832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019190/publication.mdobserved f29cfc26343a16e0e0fa0f15c249f93f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:31.890829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019190/publication.txtobserved 91b9a229a7b67612b90724c0ac8c3ecd...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 |
|---|