{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001975},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002140","480:4800002365","480:4800001747","480:4800001749","480:4800001306","480:4800001293","480:4800001748","480:4800001751","480:4800002328","480:4800001921","480:4800001974","480:4800001635","480:4800001922","480:4800001691","480:4800001976","480:4800002030","480:4800002415","480:4800002136","480:4800002505","480:4800001291","480:4800002097","480:4800002032","480:4800001920","480:4800002363","480:4800002414"],"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":[0.7327627712018892,0.6943420355465129,0.683128968174342,0.6666097004358443,0.6507426009354355,0.6221437246369648,0.5826716641292136,0.571690830410346,0.5482000643578833,0.4994314196613185,0.4574443048428809,0.43343696845526725,0.42753608280129346,0.4064312344073742,0.4054721682003118,0.3977673876327251,0.39451033915585204,0.3618298451487476,0.3552089348465825,0.3333154859940915,0.33325832863668925,0.32854740536360333,0.324130784518168,0.30952981858801903,0.3075619421707448],"twin_dists":[0.1024170922152698,0.1109329748238172,0.11338148533058758,0.1169664603016109,0.12039037203158784,0.12653056760308592,0.13498595098402755,0.13734273885196313,0.14240250156986636,0.15304097770323277,0.1624314142795633,0.16793618884637765,0.16930738140119508,0.17427787034244704,0.17450637510344452,0.17635098950088435,0.17713565380735224,0.18518673931458685,0.18686128148148543,0.19251813824770705,0.1925331631958421,0.19377640344310595,0.1949509230166263,0.1988989376033509,0.19943907652769463],"n_dims_used":42,"mean_confidence":0.9110484350295294},"coverage":{"mean_confidence":0.9110484350295294,"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}}