OT-2026-000090833
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000090833) never changes.
Identity and time
| Publication number | OT-2026-000090833 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7c96-9f5c-0cb773694473 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090833 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5010c4b351ace0ec5798f75d64a18a474712f93bfd8d73a6fe77bda16216c15f |
|---|---|
| Markdown | 6b9a4af21482a7c344277978d77d03fc9138189e6cc8b9ab1ea6728ba7f0d5e4 |
| Publication page | 8e12488923997bf56fc1e4ad3a86fe9644a16404fad7fdcfcf76264227fc9601 |
| Manifest | 086a61bfa3b0a9011a2d76b32adb0c91c2ce65f2c4511e17565993ea0757bb52 |
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 | PaPBGOLhyQx2+iIC7CPCS0zzLItUwTf9IeBF9tPz/XM1zp1tF0VYj+znABM0ZwSI5UIXOa1j3CRFZUUvyGFeBQ== |
| 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
| 2026-09-17T09:43:52.687145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090833observed 8e12488923997bf56fc1e4ad3a86fe96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:52.670176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090833/manifest.jsonobserved 086a61bfa3b0a9011a2d76b32adb0c91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.653697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090833/publication.mdobserved 6b9a4af21482a7c344277978d77d03fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.637621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090833/publication.txtobserved 5010c4b351ace0ec5798f75d64a18a47...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. |
|---|