{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700004134},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["488:4880006149","489:4890001279","469:4690001576","466:4660010107","470:4700001019","489:4890000856","488:4880005837","472:4720006682","466:4660000670","472:4720000841","470:4700006152","470:4700002243","490:4900006778","470:4700000354","472:4720001536","496:4960002298","470:4700008520","469:4690001761","488:4880004912","466:4660001060","479:4790005810","485:4850001005","466:4660002756","466:4660008922","466:4660000132"],"twin_admin_codes":[488,489,469,466,470,489,488,472,466,472,470,470,490,470,472,496,470,469,488,466,479,485,466,466,466],"twin_sims":[0.5080613830808819,0.4462240290079809,0.4427951213548282,0.4013595091313351,0.36119238285906635,0.3576744861099245,0.3561845109696156,0.3506316316218163,0.3379531188769163,0.3373847322169383,0.33444130418986767,0.33046802277006115,0.32862904798636894,0.3240781009444826,0.32294815059960835,0.31692103094306756,0.3054664206822154,0.30152608183820284,0.3012783195561552,0.3003457492392374,0.29646730625013956,0.2962576246421694,0.2920200117292236,0.2907326704094526,0.2889593724917491],"twin_dists":[0.1511409853640397,0.16499010183707788,0.16577684396610776,0.1754890025808107,0.18534727905597803,0.186235845255143,0.18661354045663467,0.18802839569529803,0.1913036733309042,0.1914520306236441,0.19222247999414563,0.19326836920076096,0.1937547744654924,0.1949649866318409,0.19526692812456478,0.19688755101357108,0.2000164442454605,0.20110834840843425,0.2011772821681164,0.20143704391295297,0.20252245703434377,0.2025813751018831,0.20377741174369327,0.20414278992046195,0.20464767512707185],"n_dims_used":43,"mean_confidence":0.9078235182651254},"coverage":{"mean_confidence":0.9078235182651254,"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}}