OT-2026-000040869
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000040869) never changes.
Identity and time
| Publication number | OT-2026-000040869 · never reused |
|---|---|
| Internal UUID | 01a0ae79-6d10-7532-8aa8-44e84211236d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:28.516236Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000040869 |
| Status | PUBLIC |
Content hashes
| Canonical text | d383d7d00f075e2ce1ed9f366ea4c62745698cede116f1e295875f298b956702 |
|---|---|
| Markdown | f09a603eb97d44ddd746e5575ec390c9afb159724887a2683e933951bfe1603d |
| Publication page | 71878194a97a2c1053684c79a7661965d321ac295c26989d2509855f4d321dec |
| Manifest | 441607cb0e8bebfa396cc5cc3659e3a648b3da3c02d0364ba6b281f3d65907a7 |
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 | J/K8vMkNj0Idcepq3UkYr7xcnQA8GO2afUzP5noj7oNcXaPEySHs6LB9VdxLPUUixIlHl0IIqcTPWrOYaJpRBg== |
| 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
| 2026-10-18T12:41:23.064665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040869observed 71878194a97a2c1053684c79a7661965...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T12:41:23.011107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040869/manifest.jsonobserved 441607cb0e8bebfa396cc5cc3659e3a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T12:41:22.920169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040869/publication.mdobserved f09a603eb97d44ddd746e5575ec390c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T12:41:22.820854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040869/publication.txtobserved d383d7d00f075e2ce1ed9f366ea4c627...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:48.170743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040869observed 71878194a97a2c1053684c79a7661965...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:48.097979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040869/manifest.jsonobserved 441607cb0e8bebfa396cc5cc3659e3a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:48.027052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040869/publication.mdobserved f09a603eb97d44ddd746e5575ec390c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:47.850624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040869/publication.txtobserved d383d7d00f075e2ce1ed9f366ea4c627...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 |
|---|