{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000648},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000726","480:4800000662","480:4800000688","480:4800000604","480:4800000440","480:4800000602","480:4800000467","480:4800000463","480:4800000886","480:4800001035","480:4800000996","480:4800000307","480:4800001140","480:4800000365","480:4800000353","480:4800000548","480:4800000472","480:4800000509","480:4800001195","480:4800000689","480:4800000435","480:4800000430","480:4800000408","480:4800000513","480:4800000317"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.729937714892413,0.6485226655657217,0.5907337041948592,0.5561147930003272,0.536345677181727,0.5168533104417824,0.514523475953645,0.5103545170157721,0.5086671127228479,0.5082871421078353,0.47706155687367796,0.4692415680258424,0.4634738195782458,0.4634129183478509,0.44590833089652543,0.43874328976444144,0.43628328841380337,0.43317382066802873,0.43286489367524383,0.4220922157546186,0.4203211757217804,0.389906205870468,0.38663472451142233,0.3863654516777893,0.38423099275265027],"twin_dists":[0.10305130485574297,0.12086819592510692,0.13325779958992057,0.14069436270008598,0.14496883315322245,0.14921399353595216,0.14972383513082677,0.1506375725235787,0.15100795202403233,0.1510913982129431,0.15801084866807225,0.1597654237722608,0.16106587377833087,0.16107963493698507,0.16506243997267267,0.16670955476187874,0.16727748280934476,0.1679971748519677,0.16806878947685625,0.1705792962160127,0.17099456263564183,0.17824998410921708,0.17904552552353573,0.17911114724240945,0.1796320850505408],"n_dims_used":43,"mean_confidence":0.9128346110499183},"coverage":{"mean_confidence":0.9128346110499183,"n_dims_used":43,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}