OT-2026-000021457
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-2026-000021457) never changes.
Identity and time
| Publication number | OT-2026-000021457 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7ebb-9420-4c6ddc10cebd · 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-2026-000021457 |
| Status | PUBLIC |
Content hashes
| Canonical text | afb40c090ac337a91ad2c97859ab140b76f147b78ffbcae0df58866274a54281 |
|---|---|
| Markdown | c6df38ba1c0c75b51015cb185c40ef89028beb7985153d04e4d6b87c0fac36ab |
| Publication page | 3f842a32b3dde290e50b16cbcc0d64dc764f18bd859bd4c714b8bd6cf47d025a |
| Manifest | cc51c5f5ead884e828aa923ec36a06491070f30460d35a122acc7dd8de34e768 |
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 | lnrn6f1HfO1JwmCeh3hORGSPjJg2k1zRxgFYOVNtUiSVXteZElr5YZXtGt3vF7yKu7D/AoZniUm4E8jJXFKKAw== |
| 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
| 2026-09-17T11:55:22.140601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021457observed 3f842a32b3dde290e50b16cbcc0d64dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:22.122598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021457/manifest.jsonobserved cc51c5f5ead884e828aa923ec36a0649...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:22.103625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021457/publication.mdobserved c6df38ba1c0c75b51015cb185c40ef89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:22.082503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021457/publication.txtobserved afb40c090ac337a91ad2c97859ab140b...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. |
|---|