OT-2026-000004516
Publication integrity record
Porous face vacuum gripper, two outlet manifold, plant vacuum fed, contact triggered on the face
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-2026-000004516) never changes.
Identity and time
| Publication number | OT-2026-000004516 · never reused |
|---|---|
| Internal UUID | 01a0a91a-931a-7768-8b10-a56364ce4df7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:46.236742Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004516 |
| Status | PUBLIC |
Content hashes
| Canonical text | 534d38b5f694ce9dfef7624c26d1dddf0618801c3445d134c63ba63d0ad38bb6 |
|---|---|
| Markdown | 422c8e04d6076610c66fd4fa04d954680f6870a85e83d3688c36a6e6c48f5f97 |
| Publication page | b9994e6be34708ea625c946422c0073904b03cb7e41c0429aa560b9f8d2d6409 |
| Manifest | dee2b2220242b49c89d1b8867029b7ce444567e73cb5369d2309921a7650716f |
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 | YN9qZ+1VAa331v9DIP4+OtIGMSA9sgKSjVq1veLaxoOIi03pfMSDmmoMscEvodWA513LtTohfcvDFosm69leAw== |
| 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
| 2026-09-16T07:30:19.391893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004516observed b9994e6be34708ea625c946422c00739...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:19.377267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004516/manifest.jsonobserved dee2b2220242b49c89d1b8867029b7ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:19.252397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004516/publication.mdobserved 422c8e04d6076610c66fd4fa04d95468...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:19.239728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004516/publication.txtobserved 534d38b5f694ce9dfef7624c26d1dddf...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. |
|---|