OT-2026-000022509
Publication integrity record
Single cup vacuum gripper, three stage ejector, 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-2026-000022509) never changes.
Identity and time
| Publication number | OT-2026-000022509 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fe-7cd1-9ec2-9a88238d1e87 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022509 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f1f48025adfab74c0cb718b3f1f8ed9503a6a0359422348ec3b65c6a7feb737 |
|---|---|
| Markdown | 2b52cc1e7a927bb5196b33ddd1086f207423e4d41352bfd6d7704fb699e44b61 |
| Publication page | 6fbc71d7b24bcb10cb757a3608da145a700b1168a97beccc2cd28bea0abbdb2c |
| Manifest | 89a8844f4f5601151bb2a8ba58200a472821966c53254fcc0bff50c78fc6397b |
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 | dA6AGjB4i9LVXDpLSkOxWJjI/zpBjK04BHhS5RwM66qsvmHySkim45vsVFr7nVyuJQJZzOEZDUHFBVm3kHNTBA== |
| 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
| 2026-09-17T11:53:56.261586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022509observed 6fbc71d7b24bcb10cb757a3608da145a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:56.244306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022509/manifest.jsonobserved 89a8844f4f5601151bb2a8ba58200a47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:56.225645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022509/publication.mdobserved 2b52cc1e7a927bb5196b33ddd1086f20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:56.207623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022509/publication.txtobserved 8f1f48025adfab74c0cb718b3f1f8ed9...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. |
|---|