OT-2026-000031227
Publication integrity record
Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000031227) never changes.
Identity and time
| Publication number | OT-2026-000031227 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7f94-a35e-20fd72f1fe0d · 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-2026-000031227 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a8fda9638ba6578ba4022860c32e5013945a3c8888171bae8cf329dad3b528d |
|---|---|
| Markdown | 40288dee7a37fb94fd6ae6ff3889886aac973449593fc9673709d667cdf9e4a4 |
| Publication page | 445951ff682543f509e15a05344b9dc8e04ce56995c291f362caea4ef3028af3 |
| Manifest | ce09fb5e633af554486f82a6533bbb9d5a9c38814ec8ea1a3ede3d5ca1268914 |
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 | QrN5EVd2bHxJBf9vTMlhchkTWJ6Nxz5/6flpzaHTNd1so/s+xxe8HciymnHibN1vbcyeIwVjLsWWlB8QK8dUDg== |
| 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
| 2026-09-17T11:35:47.763401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031227observed 445951ff682543f509e15a05344b9dc8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:47.746002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031227/manifest.jsonobserved ce09fb5e633af554486f82a6533bbb9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:47.728276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031227/publication.mdobserved 40288dee7a37fb94fd6ae6ff3889886a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:47.708105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031227/publication.txtobserved 4a8fda9638ba6578ba4022860c32e501...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. |
|---|