OT-2026-000056732
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off after set-down
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-2026-000056732) never changes.
Identity and time
| Publication number | OT-2026-000056732 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af6-79a2-8d4a-0bb1dcd4014e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056732 |
| Status | PUBLIC |
Content hashes
| Canonical text | fd3122d0874aa5e646bb4aeb88567d37d50138f5f1648b3fe505371179e31d3d |
|---|---|
| Markdown | 4350f07d39d9ba478d735a6a31e38073f3b7e41d7b8047b5038ff51c96fd7ade |
| Publication page | 0fdbf8d6c3553aa5be1a96ec1760b669298b6aa4f7ff145845eb41146a312230 |
| Manifest | 22e418c427ad363a26657fb39441341f2cfcc5b8ce23a3520f1f7298bde6bac7 |
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 | Y4ggWdikTHpIm9k6Q5y6U45dSCbNWyw6qWw6YP/jJFyMraEowOtgoV8CYARmuhpkwfHjy6+s89HNlYUaaVk0Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:10.132936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056732observed 0fdbf8d6c3553aa5be1a96ec1760b669...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:10.115059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056732/manifest.jsonobserved 22e418c427ad363a26657fb39441341f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:10.095392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056732/publication.mdobserved 4350f07d39d9ba478d735a6a31e38073...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:10.075984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056732/publication.txtobserved fd3122d0874aa5e646bb4aeb88567d37...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. |
|---|