OT-2026-000031560
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, supply line 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-2026-000031560) never changes.
Identity and time
| Publication number | OT-2026-000031560 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87af-7a49-8dd9-8dd927bb5e0a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031560 |
| Status | PUBLIC |
Content hashes
| Canonical text | 918e902ddaf2b65bbb7df5ca6f0c6ce4418dd262fea47e4a65baab8ab3319cf3 |
|---|---|
| Markdown | 178164c3f676a084c3d20d275cffd7eb60b8d74967286e2a8d2dd62140784721 |
| Publication page | 440f1c6a0309bfc849a7692933c818942e319edc37f9a9ad714b38d90d394089 |
| Manifest | b5a5bf19fc9db74aa8e9e94648ee5ad58c9a9bcab8b8e21feac87b862326015c |
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 | kC4BP6yKYejtsHpwi+oGQKTa/PDoUrbr/j/J/VNdJYgGk8weRQ1Jcq7dlhq+hzsX4Jf8p2TQI7goQJvSou3JBQ== |
| 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
| 2026-09-17T11:36:24.431890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031560observed 440f1c6a0309bfc849a7692933c81894...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:24.414931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031560/manifest.jsonobserved b5a5bf19fc9db74aa8e9e94648ee5ad5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:24.396745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031560/publication.mdobserved 178164c3f676a084c3d20d275cffd7eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:24.376325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031560/publication.txtobserved 918e902ddaf2b65bbb7df5ca6f0c6ce4...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. |
|---|