OT-2026-000042457
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000042457) never changes.
Identity and time
| Publication number | OT-2026-000042457 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cc-76d8-8d36-10037492c1de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042457 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c6d5abc9f468d178cd85fc0ff64769ff4a4b96225a28a00a2e22bf2d388f256 |
|---|---|
| Markdown | 569a562ac955dc6c38ebb2a3d847f2a7d383f3bddc8cc4a56ed4ab7b57c8c769 |
| Publication page | cd5a658c28129d6b5a2b7f092f48fa34c7c8d79c10b6045956289ea454f2e3a5 |
| Manifest | b5eeb4d5b626ae8cf9b71e6884eab9719f57569ef1863dd6404e1775a1c43031 |
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 | 80UUfZokM0+XoI+9lhwTjUOdyKZSE1NppHreGgt/PaDTEc6znmbB5AHI2HoOljirLHfj2tP4DJjjA9q+23RDDQ== |
| 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
| 2026-09-17T16:42:58.216264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042457observed cd5a658c28129d6b5a2b7f092f48fa34...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T16:42:57.464105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042457/manifest.jsonobserved b5eeb4d5b626ae8cf9b71e6884eab971...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:42:57.026207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042457/publication.mdobserved 569a562ac955dc6c38ebb2a3d847f2a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:42:56.608151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042457/publication.txtobserved 4c6d5abc9f468d178cd85fc0ff64769f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:01.086363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042457observed cd5a658c28129d6b5a2b7f092f48fa34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:01.067996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042457/manifest.jsonobserved b5eeb4d5b626ae8cf9b71e6884eab971...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:01.049298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042457/publication.mdobserved 569a562ac955dc6c38ebb2a3d847f2a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:01.030836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042457/publication.txtobserved 4c6d5abc9f468d178cd85fc0ff64769f...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|