OT-2026-000004255
Publication integrity record
Vacuum cup gripper, two zone face, two outlet manifold, ejector fed, pressure verified, contact triggered
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-2026-000004255) never changes.
Identity and time
| Publication number | OT-2026-000004255 · never reused |
|---|---|
| Internal UUID | 01a0a912-aee1-7e02-8ad9-aa0982183440 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:09.061993Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004255 |
| Status | PUBLIC |
Content hashes
| Canonical text | 50ddcbe75232594d3907685b2a983a623f4aafba6b599c0f76dbff70bafd057f |
|---|---|
| Markdown | ea3313850d15e0e8b4ea00bc5083faee43c0280523f9c8abe7ae5c5804024c29 |
| Publication page | 9e4cbadc0b6bfb09bf0e1a79e29555d55d1d064de11c202a6d93571f453e5506 |
| Manifest | 4f9acd09d934bc362ca42e244150099e2593285876e76da3c3f64ab1ba2fbde7 |
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 | kOme5BRGh3IbsesIq+0BDa43MFPVB7D4dWifcZ/kSqKFcHbBkl31aSR7DPA/qKiNgsw6v4TMMtWyUUi8vB0OCQ== |
| 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
| 2026-09-16T07:20:18.668789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004255observed 9e4cbadc0b6bfb09bf0e1a79e29555d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:18.653583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004255/manifest.jsonobserved 4f9acd09d934bc362ca42e244150099e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.641118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004255/publication.mdobserved ea3313850d15e0e8b4ea00bc5083faee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.628163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004255/publication.txtobserved 50ddcbe75232594d3907685b2a983a62...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. |
|---|