{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001754},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001810","480:4800001753","480:4800001977","480:4800001809","480:4800001755","480:4800001693","480:4800002464","480:4800001694","480:4800001580","480:4800002135","480:4800002224","480:4800002040","480:4800002081","480:4800001305","480:4800001925","480:4800002178","480:4800002284","480:4800001412","480:4800001355","480:4800002083","480:4800002080","480:4800002316","480:4800001365","480:4800001872","480:4800002504"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.9431675396201049,0.8543840673459492,0.7366404163045827,0.6852428496872489,0.6774539439197105,0.6506766001949432,0.64553601429606,0.6205907202911228,0.6183683050424904,0.6134039288422388,0.5893904342954254,0.5850723066268375,0.5763883583341497,0.5718481117216312,0.5499665616121681,0.5464470253638596,0.5353051630503416,0.5352559240879531,0.5241967266598335,0.5213365462460942,0.5096656976280257,0.502872770353543,0.5028724093979677,0.4923853740237308,0.49057429523206825],"twin_dists":[0.04442821721675608,0.07286281882247568,0.10154414469571259,0.11292091560536838,0.11461579249590512,0.12040458196033599,0.12151065324484235,0.12686330845947613,0.12733940631970714,0.12840267278859988,0.13354564017986595,0.13447119851246828,0.13633402098445943,0.13730895170099097,0.1420209199676074,0.14278138056419515,0.1451945998159205,0.14520528565628704,0.1476105947402722,0.1482344732174649,0.1507887277577199,0.15228226227779068,0.15228234178271877,0.15459904477660508,0.15500056683913535],"n_dims_used":42,"mean_confidence":0.9113142830984933},"coverage":{"mean_confidence":0.9113142830984933,"n_dims_used":42,"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}}