{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008007},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009015","490:4900009735","490:4900012160","490:4900009635","490:4900011691","490:4900011225","490:4900009004","490:4900010220","490:4900008884","490:4900010564","490:4900011294","490:4900008774","490:4900008117","490:4900011641","490:4900007784","490:4900012093","490:4900011838","490:4900009721","490:4900008340","490:4900008901","490:4900011765","490:4900008782","490:4900012161","490:4900008790","490:4900011757"],"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":[0.33353209566945335,0.2466324980477625,0.23121049818658165,0.2274501464788077,0.21010824829734784,0.19550506389487207,0.16043602769006102,0.1575169666886214,0.15611056090221737,0.15493105764176038,0.14135077654975958,0.1285501757971856,0.11378341577370324,0.11368329192354878,0.11043873139288798,0.11022307976323988,0.10170409093237104,0.0996835014786174,0.09375872949403079,0.0903615659514237,0.09023600373173869,0.08959754577688696,0.08680990871546493,0.08626049901840181,0.08625177396872143],"twin_dists":[0.1924612108232134,0.21731040036435414,0.22226581305309848,0.22350672536477115,0.22941381861386162,0.2346504579536144,0.24845501969900116,0.24969849435761382,0.25030360562051335,0.2508141701027433,0.2569093780531313,0.2630678817794874,0.27077871315940477,0.2708335457703173,0.27263091879624046,0.2727518203824954,0.2776817223580826,0.2788980210316458,0.2825795774077113,0.28477398843087454,0.28485633807634697,0.2852764790662861,0.28713921631895484,0.2875119326022545,0.2875178668441262],"n_dims_used":45,"mean_confidence":0.8908001369900174},"coverage":{"mean_confidence":0.8908001369900174,"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}}