OT-2026-000021307
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed 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-2026-000021307) never changes.
Identity and time
| Publication number | OT-2026-000021307 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-71e8-95aa-b8f5ba722464 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021307 |
| Status | PUBLIC |
Content hashes
| Canonical text | 66f256539203cb60da766b880d28bceea2a0d446c305312a7c73bb0a060ca223 |
|---|---|
| Markdown | 85cfc36097fd3b51a67af200fe5262ed2b6da7052d94d251dc843eef16b52adb |
| Publication page | 75a5397087683f058997745654b22c349e8c4116a8fa0366349810de2203a9c8 |
| Manifest | 5acbe7b6af4bc13e2db8c221a3406e2eaaebde92a6e91c45b2fc05258fff4e06 |
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 | Jwdxgwozt9x27hvSTjtK5QeWvapGJdzLSCZJmzJUL7zjXMRWz0AcUdeW5i0V2Ws8fu9whX+8pkm5b3XdsygJAA== |
| 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
| 2026-09-17T11:55:09.147669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021307observed 75a5397087683f058997745654b22c34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:09.126304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021307/manifest.jsonobserved 5acbe7b6af4bc13e2db8c221a3406e2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:09.104908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021307/publication.mdobserved 85cfc36097fd3b51a67af200fe5262ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:09.082082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021307/publication.txtobserved 66f256539203cb60da766b880d28bcee...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. |
|---|