OT-2026-000028245
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000028245) never changes.
Identity and time
| Publication number | OT-2026-000028245 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-7f2e-b870-0de238b22d98 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028245 |
| Status | PUBLIC |
Content hashes
| Canonical text | 645889f4b8001ce8a32de15a80e6d90a1e7739efd75c85c33793ddd066907030 |
|---|---|
| Markdown | 803e6dd8e0ddc44a81ea579e1fa5952f66a4168fb7a6ee5114cd68da18871269 |
| Publication page | d95b677d2ce3d4863c620f1c49869f9f7e0a6b97a51d227a5ba0fadbdbfa0671 |
| Manifest | e4c5f3811875ce3ed433bbaeb7c63338870a91fc3bc984960e6c75ce9894cc38 |
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 | ZSNb2pbgYMmqh1ggEbLSQz8PM2yNcBJb6y1Pu/znir4dncru2DfumUZXg8f5km4W2z/XfXDmwE+PZwxN/CozDw== |
| 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
| 2026-09-17T11:42:36.782524Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028245observed d95b677d2ce3d4863c620f1c49869f9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:36.766840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028245/manifest.jsonobserved e4c5f3811875ce3ed433bbaeb7c63338...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:36.751186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028245/publication.mdobserved 803e6dd8e0ddc44a81ea579e1fa5952f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:36.735496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028245/publication.txtobserved 645889f4b8001ce8a32de15a80e6d90a...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. |
|---|