OT-2026-000019305
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000019305) never changes.
Identity and time
| Publication number | OT-2026-000019305 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f392-710f-9579-90734b463df4 · 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-2026-000019305 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3306b4bde7a669b65c528bc7ba20e424b2311dbc0e8660e42275194fc0ad7dc2 |
|---|---|
| Markdown | bc7ad0485093c79589163abad1b40da5e9944af729e246e2091479a9e3c87cda |
| Publication page | c8c0d66cc2a9e04640fcc4ae6de5e36bef9397f65404439cc121ab6741b2fc1b |
| Manifest | 3914e65eb258d8c929b79f52577c2a4cc9ffcf255d71581953901c49273321fe |
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 | 7eiG2pg6k47bXSpYhvw4DNNmOlzW24xTwhhpR5D0zFDj7JdwQYfwH31NYA3uyOWvp4NnBE/xc/ar/qcQxer/Aw== |
| 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
| 2026-10-24T12:41:33.063539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019305observed c8c0d66cc2a9e04640fcc4ae6de5e36b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T12:41:33.011671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019305/manifest.jsonobserved 3914e65eb258d8c929b79f52577c2a4c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:32.945815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019305/publication.mdobserved bc7ad0485093c79589163abad1b40da5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:32.807186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019305/publication.txtobserved 3306b4bde7a669b65c528bc7ba20e424...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:24.155232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019305observed c8c0d66cc2a9e04640fcc4ae6de5e36b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:24.056798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019305/manifest.jsonobserved 3914e65eb258d8c929b79f52577c2a4c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:23.903421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019305/publication.mdobserved bc7ad0485093c79589163abad1b40da5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:23.670915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019305/publication.txtobserved 3306b4bde7a669b65c528bc7ba20e424...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 |
|---|