OT-2026-000090439
Publication integrity record
Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000090439) never changes.
Identity and time
| Publication number | OT-2026-000090439 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7a5e-8bc3-aaa0a3e6b5e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090439 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0e73f1d40d10039f55d16eb5b977ac2a7f3c415a68ec6e98ab1c7a36567a9d84 |
|---|---|
| Markdown | 90f85752027e95c0c217852791f1f147dd071a7406f7859af33df5e0d1e1aa98 |
| Publication page | 5d7a743bdafb47f961a9dd965e1daa8d6b005624fac71e762b89386b12d5db0b |
| Manifest | 8480f63acd578f188534d0085d20308fe421400201233c13a70457cfb6236bd7 |
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 | ahihlhwcteaBtMAnqV8NsIRbrRz2nBF28PdRd9JeqpP0l/1v7OnF+uwFYWbHY+AWX7+Vlj/PTBpEbkTFB4PUDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:33.550530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090439observed 5d7a743bdafb47f961a9dd965e1daa8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:33.531462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090439/manifest.jsonobserved 8480f63acd578f188534d0085d20308f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.514960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090439/publication.mdobserved 90f85752027e95c0c217852791f1f147...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.497476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090439/publication.txtobserved 0e73f1d40d10039f55d16eb5b977ac2a...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. |
|---|