OT-2026-000017406
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000017406) never changes.
Identity and time
| Publication number | OT-2026-000017406 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-76c9-78d1-af40-e0fc13da7b9f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:30.105855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017406 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76b7d66faa8a3f4c55bfd145fbd7282638ab96a8b7ef9b22c256de59bf532a52 |
|---|---|
| Markdown | 5c1b808ff505e0b7b6afc8114f435133dc6a3b22ea7c2e1ac63ae5f9881a148f |
| Publication page | 57f960a249211a67194003c6f7dd06ccb7e19c3d11a4d1a3fbcf46ffcb842a64 |
| Manifest | 5640741268a16bb3a854eaf59a9fa11887f95fcb3903cd627967c87db7588720 |
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 | VTdkbU6X5bGpJ/HU3Zdugce2By3zpY3YjpfFTWwFwCloCX2/JJ6OHy4pZvqLARmctcR4tX4z1712q4jITlRPDg== |
| 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
| 2026-10-30T08:41:51.813305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017406observed 57f960a249211a67194003c6f7dd06cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T08:41:51.764855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017406/manifest.jsonobserved 5640741268a16bb3a854eaf59a9fa118...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:51.706554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017406/publication.mdobserved 5c1b808ff505e0b7b6afc8114f435133...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:51.566987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017406/publication.txtobserved 76b7d66faa8a3f4c55bfd145fbd72826...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:11.887675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017406observed 57f960a249211a67194003c6f7dd06cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:11.828242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017406/manifest.jsonobserved 5640741268a16bb3a854eaf59a9fa118...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:11.757344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017406/publication.mdobserved 5c1b808ff505e0b7b6afc8114f435133...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:41:11.649053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017406/publication.txtobserved 76b7d66faa8a3f4c55bfd145fbd72826...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 |
|---|