OT-2026-000004217
Publication integrity record
Vacuum cup gripper, three zone face, six outlet manifold, plant vacuum fed
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-2026-000004217) never changes.
Identity and time
| Publication number | OT-2026-000004217 · never reused |
|---|---|
| Internal UUID | 01a0a911-9618-758f-9d77-aded19bb7864 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:57.180210Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004217 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffb559f9dcbb863830f52afe6f64ee9ac45a56fee0003f76ffb9baff89902901 |
|---|---|
| Markdown | d4f34b7c345765f6ce1dc00b870545cf42f1de590e37ed795220fb7463ce9044 |
| Publication page | 76b587cb9edc84dd4c8590dccadacb6b7fbe6dfdcf6ddb5d9f53415d92846bdb |
| Manifest | 840e0b5a02e0bb9d94b06ef9ebe5da9b9a95929a1709ddb737a253e09fb2375c |
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 | uC/ZX79Cod3zx0CJFNeMe8KUBAOD+Gr9r9qTcGIihlrWg4I9f13UQ8a+f6EWE80jkHG8zZgSDqUMrku53LhoAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:22.906122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004217observed 76b587cb9edc84dd4c8590dccadacb6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:22.892291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004217/manifest.jsonobserved 840e0b5a02e0bb9d94b06ef9ebe5da9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.876940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004217/publication.mdobserved d4f34b7c345765f6ce1dc00b870545cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.737563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004217/publication.txtobserved ffb559f9dcbb863830f52afe6f64ee9a...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. |
|---|