OT-2026-000004427
Publication integrity record
Vacuum cup gripper, per zone isolation, two stage ejector, pressure verified, contact triggered, silicone cups
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-2026-000004427) never changes.
Identity and time
| Publication number | OT-2026-000004427 · never reused |
|---|---|
| Internal UUID | 01a0a917-59b0-79c1-ab27-c0895aa75e8b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:14.931143Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004427 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9d0ced461590c6ed12d22c00d7d7853fdf669ad396ad3177d0a06c762aef650 |
|---|---|
| Markdown | 57ff56bdd835547626eba4c45f18905aed99d5bbcc5dc878eae0ee4e26e80f95 |
| Publication page | 75f755e07004e8696e5f843f8d1b55e3efd8322452280238d9069aa85d18f7fc |
| Manifest | 041e88457de5076dce0c37390bb9c17e959b8e820b0d35301c4ae11115d1433b |
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 | bW1shzsYPRHs4aYd0LGE1a2V0KeOhBiF85tBeYa1DfxBEb0rxIMAIAtrbKqU4DNeyICHIUzUOzbA1tf0EabGAQ== |
| 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
| 2026-09-16T07:30:28.732511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004427observed 75f755e07004e8696e5f843f8d1b55e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:28.717874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004427/manifest.jsonobserved 041e88457de5076dce0c37390bb9c17e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:28.700990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004427/publication.mdobserved 57ff56bdd835547626eba4c45f18905a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:28.687946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004427/publication.txtobserved a9d0ced461590c6ed12d22c00d7d7853...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. |
|---|