OT-2026-000028853
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000028853) never changes.
Identity and time
| Publication number | OT-2026-000028853 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-721f-a419-29fd774c8a68 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028853 |
| Status | PUBLIC |
Content hashes
| Canonical text | 111471540af178beb74ccf812ceaaf7524a9447ea2e6cdd764589b287d17991a |
|---|---|
| Markdown | 3ba4f5dbe647b1a2ea140410289f5e88787b45cb99f8e7bad2d96d97cfe93f10 |
| Publication page | 46e8e72be430636b0f054dd751140f2f5fe35a8bdd22811ba8ab7bc5dce5ab9e |
| Manifest | c2113ee94b87d897a5d20030a1fba7eec7a9c1b382324b3136b7b0d9785ed9cf |
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 | 74h1m+R8VyXFdyRVYpuYAOQnAAlCvXXoVF2qrPmMSgH3y6TPkiHhOquQMleii2P1aIdxPOJtwhMs0xOYnOQSBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:20:09.266430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028853observed 46e8e72be430636b0f054dd751140f2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:09.247184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028853/manifest.jsonobserved c2113ee94b87d897a5d20030a1fba7ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:09.230601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028853/publication.mdobserved 3ba4f5dbe647b1a2ea140410289f5e88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:09.214699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028853/publication.txtobserved 111471540af178beb74ccf812ceaaf75...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. |
|---|