OT-2026-000028368
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000028368) never changes.
Identity and time
| Publication number | OT-2026-000028368 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7755-8fc6-1fc3202d0f7f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028368 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7af65e119b87c55df873236e2d8532526a9ff59adc8b3710e2d3e4556cb8b82e |
|---|---|
| Markdown | 3353500d6e7ce3bbc27a6ba2ffe67071a5cf3963cc081e0fef60e61c243bb917 |
| Publication page | cb73a2aa28d65b284523b2efa53e714b895ade5f599a7a7e75adf50069c5dabe |
| Manifest | 76f67ab958182b9aa0222fee5748c1db173506e49f7441d01c14a20b71eba236 |
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 | nU3NiWemQmcyUxEtw4yPMq0IZ7wJu4kiGWCQlC30AgP9Rd1kuYWwjl2k3f5WnZoDbEqozkje1qMgJI8HtO+MCQ== |
| 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
| 2026-09-17T11:40:22.940061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028368observed cb73a2aa28d65b284523b2efa53e714b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:22.921445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028368/manifest.jsonobserved 76f67ab958182b9aa0222fee5748c1db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:22.901112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028368/publication.mdobserved 3353500d6e7ce3bbc27a6ba2ffe67071...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:22.880339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028368/publication.txtobserved 7af65e119b87c55df873236e2d853252...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. |
|---|