OT-2026-000004350
Publication integrity record
Porous face vacuum gripper, two zone face, six outlet manifold, three stage ejector
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-2026-000004350) never changes.
Identity and time
| Publication number | OT-2026-000004350 · never reused |
|---|---|
| Internal UUID | 01a0a914-d267-7953-b310-36b7302a6d67 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:29.226400Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004350 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3a4cb05ca49ddb9c0368923c2340ef776a1eac994f0b54717617ee59a57515eb |
|---|---|
| Markdown | 9a433bfb5c6bedca391cb03aed206ccb8ed31dcd090b2bd5bfede95538436a23 |
| Publication page | 6bf448bdc3d2664b2ecb723324d885e19bfed2f1fa9999535f24403f35265ebb |
| Manifest | 62c7c02c5b1811693f24b9707e4c72b05c3abc0955fd57be4c8bd1f89067f3b8 |
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 | 0woXyKdNQb6qHUEAVy2yZ0tZbRsB8WSxICSLhiqnlZwCsrD1pN+Qs4TIMghTMDw8FWQdYAHpjt+E+qvigOQJAg== |
| 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
| 2026-09-16T07:20:07.876454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004350observed 6bf448bdc3d2664b2ecb723324d885e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:07.739458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004350/manifest.jsonobserved 62c7c02c5b1811693f24b9707e4c72b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:07.725546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004350/publication.mdobserved 9a433bfb5c6bedca391cb03aed206ccb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:07.711664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004350/publication.txtobserved 3a4cb05ca49ddb9c0368923c2340ef77...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. |
|---|