OT-2026-000050053
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050053) never changes.
Identity and time
| Publication number | OT-2026-000050053 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd78-7a40-b86a-efa60ca39b13 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050053 |
| Status | PUBLIC |
Content hashes
| Canonical text | 304bd3a5729e93a1e6313da8b664ea6ab7c25d0dffc8367002ff832c9d3bffce |
|---|---|
| Markdown | a4ad3ed6989c4f0a08eb46c6e0526ff960d9cac450c6a4786517517e11d042fb |
| Publication page | 24090e022d5c265ae6e46d96e173df781698dfb58bb4f55ec65b6ae1babacc94 |
| Manifest | 5a553a678d340158ed488212c32071f53ea871bb785be7c37ac021255839e355 |
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 | BRQyrTdozxEk1Ue7S0AscLZZBRRznKAG3RhBiHVCGZQ3Ag8onj38JdO2U83D6oQT83szu4dL+nBZMvQr29cnBw== |
| 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
| 2026-10-09T00:41:12.742760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050053observed 24090e022d5c265ae6e46d96e173df78...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T00:41:12.657837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050053/manifest.jsonobserved 5a553a678d340158ed488212c32071f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:12.551255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050053/publication.mdobserved a4ad3ed6989c4f0a08eb46c6e0526ff9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:12.349693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050053/publication.txtobserved 304bd3a5729e93a1e6313da8b664ea6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:44.641555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050053observed 24090e022d5c265ae6e46d96e173df78...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:44.577423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050053/manifest.jsonobserved 5a553a678d340158ed488212c32071f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:44.505365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050053/publication.mdobserved a4ad3ed6989c4f0a08eb46c6e0526ff9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:44.437675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050053/publication.txtobserved 304bd3a5729e93a1e6313da8b664ea6a...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 |
|---|