OT-2026-000020789
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000020789) never changes.
Identity and time
| Publication number | OT-2026-000020789 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7a36-a820-79dded4f77ef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020789 |
| Status | PUBLIC |
Content hashes
| Canonical text | f2b5f72176a6da6fd863b76bd4287e70f533f8aa8651977c36ba3e36d09894b5 |
|---|---|
| Markdown | 394173e9a543547348a89604f89415aff7313eed68d7033777e82c8f1aefa4f7 |
| Publication page | 35f8109071153548e945e4286f17cfc8e2f305097f296b2e10743497605f386c |
| Manifest | a3fbf2e52c13bbf4eaba9a9970b5bab687211dc7cdddd2e361caf304ac8b9df7 |
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 | OS+pNkxK99vhZrandP/0p56YYrPiEfH5ka1fmQnvwoghZqnexTYSHUBwACSOSLpWzxaeh5fOlINt7mF1aoTSBw== |
| 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
| 2026-09-17T11:55:52.204315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020789observed 35f8109071153548e945e4286f17cfc8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:52.184006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020789/manifest.jsonobserved a3fbf2e52c13bbf4eaba9a9970b5bab6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:52.164689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020789/publication.mdobserved 394173e9a543547348a89604f89415af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:52.146945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020789/publication.txtobserved f2b5f72176a6da6fd863b76bd4287e70...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. |
|---|