{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004154},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004014","490:4900001719","490:4900004155","490:4900003878","490:4900002476","490:4900004305","490:4900002907","490:4900003346","490:4900002458","493:4930007202","490:4900003597","490:4900002297","490:4900003737","490:4900002917","490:4900003343","490:4900001720","490:4900003608","490:4900003462","490:4900004440","490:4900002302","490:4900004130","490:4900004283","490:4900004428","490:4900001700","490:4900003729"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,493,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7410106450657663,0.7360338631951806,0.6203723500998968,0.5704942026205129,0.4323285193385047,0.4211216075768373,0.42049745260111987,0.4194773301371996,0.405567283181938,0.4005315271972854,0.3888542838384454,0.3878378336954475,0.35271379232555533,0.3426861183184977,0.34262610548975087,0.34144867794867795,0.3390772268919446,0.322911812267928,0.3209341600442827,0.31114496910827116,0.29792496003214974,0.2937350123308702,0.2915616522033294,0.2860033801407672,0.2849313192376926],"twin_dists":[0.10055679065655736,0.10168088377352545,0.12691009232313002,0.137599830799775,0.16819317927813526,0.17080678934704963,0.17095319688058241,0.17119268426673787,0.17448370249152254,0.17568737808401083,0.1785054406364067,0.17875259205799468,0.18749651309585796,0.1900734626238974,0.19008900416450047,0.19039421729329237,0.19101065997826472,0.19527664809192644,0.1958065650447191,0.19845708465049858,0.20211354935931788,0.20329213602179047,0.20390739513674908,0.20549342475068763,0.20580145113248502],"n_dims_used":45,"mean_confidence":0.9177671644422744},"coverage":{"mean_confidence":0.9177671644422744,"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}}