OT-2026-000019181
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000019181) never changes.
Identity and time
| Publication number | OT-2026-000019181 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-70cf-b22d-818d7c3e7dd7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019181 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5cc96020bc4051de1c0bae44d932e30aa3d8c59dcc50a0acd28af394f7ada372 |
|---|---|
| Markdown | bb22e516600a9986741ffddaf38f7d044d9a14bd764734af3603d2636d8207ee |
| Publication page | 8cc1599a3030cff502540497d9e1d5b634f423277835fe523709c15a75f6e65b |
| Manifest | 90ff2dcaaf80d0d90945c082b86435c3e0e5e0ca23c8a29187153743a13a9a57 |
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 | xgkLAjOifYYQGn5DPAacVsl+V1G2NBfzoGpt4ur4ZpduVkkL1S19+YoTZuc/ocZjDtsAB34jFzUIeTXSuLL6DA== |
| 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
| 2026-09-17T11:58:29.877898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019181observed 8cc1599a3030cff502540497d9e1d5b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:29.859298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019181/manifest.jsonobserved 90ff2dcaaf80d0d90945c082b86435c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:29.841179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019181/publication.mdobserved bb22e516600a9986741ffddaf38f7d04...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:29.823167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019181/publication.txtobserved 5cc96020bc4051de1c0bae44d932e30a...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. |
|---|