{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000652},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000775","491:4910000774","491:4910000839","492:4920007019","492:4920006744","492:4920006717","492:4920006936","492:4920006682","492:4920006749","492:4920007024","492:4920006954","492:4920005133","492:4920006611","492:4920007001","492:4920006978","492:4920006677","492:4920006959","491:4910000448","492:4920006890","491:4910000838","492:4920007025","492:4920006903","492:4920006613","491:4910000958","491:4910001884"],"twin_admin_codes":[491,491,491,492,492,492,492,492,492,492,492,492,492,492,492,492,492,491,492,491,492,492,492,491,491],"twin_sims":[0.530382123439002,0.44879347907235745,0.4076941219464541,0.39787703950242076,0.37942418807607986,0.35701753459857666,0.341895708342877,0.32354401848138004,0.3179887005402088,0.3020745849390665,0.29577177477102773,0.2878189199239755,0.2786429055498323,0.2717795491595712,0.26732095448166593,0.2470140876432005,0.24344817906921154,0.2411005543261211,0.23282039934841287,0.23167675347328429,0.2297438959819881,0.2281704611960108,0.22687834835178325,0.22421251395411312,0.2241386684589936],"twin_dists":[0.14626399310529817,0.16440206536958699,0.17397734313067506,0.1763246244100808,0.1808103330128286,0.18640227651717767,0.1902782718527506,0.19510762913902605,0.196599212365644,0.20095585826702364,0.20271798767715682,0.2049733575511553,0.20762249355766893,0.20963882755482202,0.21096552556675538,0.21719036820802487,0.21831674756838718,0.21906412934855085,0.22173861422010166,0.22211287936821691,0.22274819366341334,0.22326797810292315,0.22369660379707684,0.2245860709664603,0.22461080965330288],"n_dims_used":45,"mean_confidence":0.8982747395833334},"coverage":{"mean_confidence":0.8982747395833334,"n_dims_used":45,"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}}