OT-2026-000004306
Publication integrity record
Porous face vacuum gripper, four zone face, ejector fed, pressure verified, contact triggered, closed cell
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-2026-000004306) never changes.
Identity and time
| Publication number | OT-2026-000004306 · never reused |
|---|---|
| Internal UUID | 01a0a913-7f70-750d-a021-d8d987583da7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:17:02.452085Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004306 |
| Status | PUBLIC |
Content hashes
| Canonical text | 699734ee769b86e5adcf41b6063edaf4fb6e91bae057b6e1381a91140a20fa7b |
|---|---|
| Markdown | 038f7dcb9260158f81b96ea384bbcae5d0458884cfddfb8ca1717e3272353560 |
| Publication page | 1c0264cfc4f17b8a95a034c8a2e116e32176404553d499a44a09dde2c934cd38 |
| Manifest | 3704bce297f68eb4a216c83b7558058a9273b5e985b3238576e87aa14326ef38 |
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 | RQh9M12CnZ+qXvE4Mqldw4b9NGGMlPPYLFmlOlfQliO+5qMrNi1qOvM05/ZtSUKLXna099EozLxNdcefyIgdDg== |
| 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
| 2026-09-16T07:20:12.739570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004306observed 1c0264cfc4f17b8a95a034c8a2e116e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:12.726107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004306/manifest.jsonobserved 3704bce297f68eb4a216c83b7558058a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:12.712736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004306/publication.mdobserved 038f7dcb9260158f81b96ea384bbcae5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:12.698457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004306/publication.txtobserved 699734ee769b86e5adcf41b6063edaf4...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. |
|---|