{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001645},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001111","490:4900002982","490:4900002244","490:4900003950","490:4900001110","490:4900001237","490:4900002544","490:4900004088","490:4900001374","490:4900002379","490:4900001112","490:4900002549","490:4900001377","490:4900004504","490:4900001114","490:4900003268","490:4900001923","490:4900004076","490:4900001925","490:4900003793","490:4900003389","490:4900002542","490:4900002376","490:4900003401","490:4900001109"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.40014606946783615,0.09232064896522162,0.05593332726249265,0.03704522355833705,0.023408773576457678,0.02110593492727831,0.018122729464263354,0.01584387512620964,0.01229216852527564,0.011642341729027011,0.009054231467257963,0.008657874285836177,0.006695345468740069,0.006451735297101122,0.005620086860406485,0.005605937199233956,0.005044050732459509,0.004299255817191043,0.0037751522661698313,0.0037033556978430474,0.003459200977387592,0.003457189210397165,0.003454708574164239,0.003233294456361807,0.0029880234252705543],"twin_dists":[0.17577979299153376,0.28350071234756535,0.31189324363831133,0.3334318911859186,0.35589611646833036,0.3607707079986503,0.3678263929493273,0.3739380502468819,0.38521714029032283,0.3875880633546536,0.3983791907035903,0.4002699693455292,0.4109596014425162,0.4124780244464487,0.41808322871757314,0.41818491969682964,0.4224234653878262,0.42875552977396375,0.43383967668104495,0.43458557102118583,0.4372246420668243,0.4372470839922834,0.4372747727078421,0.43982235126377556,0.4428374625730018],"n_dims_used":45,"mean_confidence":0.9145769755045573},"coverage":{"mean_confidence":0.9145769755045573,"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}}