{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000656},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000895","499:4990000048","499:4990000983","499:4990000269","499:4990001060","499:4990001061","472:4720001298","499:4990000313","472:4720000608","499:4990000382","499:4990000136","499:4990000724","499:4990000184","499:4990001167","499:4990000638","499:4990000093","499:4990000731","477:4770003872","477:4770003516","499:4990000647","499:4990000987","499:4990001280","499:4990000584","477:4770003634","499:4990000657"],"twin_admin_codes":[499,499,499,499,499,499,472,499,472,499,499,499,499,499,499,499,499,477,477,499,499,499,499,477,499],"twin_sims":[0.8859402373444973,0.8296058180508012,0.8144873989081145,0.8043963520429996,0.7987902561944314,0.7985633254796822,0.7909874889542264,0.787185126421601,0.7800815240416297,0.7787409709412305,0.7770078153172953,0.7692488134999232,0.7564698635783591,0.7491650673936364,0.7445312022758735,0.7424884743409678,0.7304379668564831,0.7265928508394794,0.7252840850971145,0.7207473507209213,0.7186624539823463,0.7160101540937556,0.7145835864413271,0.7135645714556136,0.7134881217005498],"twin_dists":[0.06391772143344022,0.07938393772015921,0.08320005818656402,0.08569022930982226,0.0870559985373551,0.08711103290211818,0.08893759526886331,0.08984683383956496,0.0915328347514017,0.09184923606295553,0.09225749554944274,0.09407446760580213,0.09703155507548067,0.09870391586745338,0.09975857406559734,0.10022203579843034,0.10293910691015158,0.10380035055452524,0.10409290016449257,0.10510475431050513,0.10556862658513275,0.10615774560289724,0.1064741594266057,0.10669998885101485,0.10671692501060352],"n_dims_used":44,"mean_confidence":0.9225167361172762},"coverage":{"mean_confidence":0.9225167361172762,"n_dims_used":44,"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}}