OT-2026-000028793
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000028793) never changes.
Identity and time
| Publication number | OT-2026-000028793 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7755-89f5-8834856ca768 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028793 |
| Status | PUBLIC |
Content hashes
| Canonical text | cb1b9dddd8a7af2f9ada9e75ebc37ef7efe9f7d3197805b1f7c0d70fca216c30 |
|---|---|
| Markdown | d730d1b420ac3bab8579ed694a67be4b99b44c31e0ea8ac917efb0d6049caec9 |
| Publication page | c1a7c2ee8ceb7037edbe6fbc1b170b773a8da91e8556606606d7c68e76e0b7ad |
| Manifest | d061897929d88b9a7502e6932bdfa1f7126e437ce7eb4832027e193381ed9008 |
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 | yv5xI5JhvfCNmgEVDrk2vVY7oPoFko7unNHWdWUF+7FzP0r0NVf6rvZB8rLourWGFl5Sd5EigvYN+i2DSGq2Dg== |
| 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
| 2026-09-17T11:40:02.858923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028793observed c1a7c2ee8ceb7037edbe6fbc1b170b77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:02.841010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028793/manifest.jsonobserved d061897929d88b9a7502e6932bdfa1f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:02.824401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028793/publication.mdobserved d730d1b420ac3bab8579ed694a67be4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:02.806507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028793/publication.txtobserved cb1b9dddd8a7af2f9ada9e75ebc37ef7...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. |
|---|