{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011310},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010402","490:4900012106","490:4900011241","490:4900008442","490:4900011242","490:4900012107","490:4900010652","490:4900011309","490:4900012173","490:4900008441","490:4900011170","490:4900010412","490:4900012171","490:4900010653","490:4900009727","490:4900009825","490:4900008332","490:4900007890","490:4900010401","490:4900010150","490:4900010488","490:4900012172","490:4900009828","490:4900010149","490:4900010904"],"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":[0.03205662761412704,0.03009942524078242,0.027735353956375167,0.024267115720756537,0.022610094983710846,0.017948088868485382,0.013872192959543833,0.011016026299468762,0.010319557632545055,0.009078191478628496,0.009020551391150813,0.0084042820911709,0.008243042270028679,0.007512641900866594,0.005345765506278658,0.0051764620429338255,0.0046735071558396644,0.003018768173729364,0.0027875842153571996,0.002478554554604249,0.001721954696492921,0.001467489299281442,0.0011492499482505098,0.0011405873734784751,0.0010365921085935276],"twin_dists":[0.34067003057461975,0.34377505471214764,0.3477653375132438,0.35418528152613815,0.3575375895978825,0.36827017067067,0.3798853817732745,0.3899871195597957,0.3928017050777961,0.3982672795224644,0.39853695020993984,0.40152074841703767,0.4023337131470534,0.40620488136341143,0.42009731442574444,0.42138751439873645,0.42545920625728534,0.4424473797497589,0.44547441115674113,0.4499014104026551,0.46335515724157317,0.46914009710404475,0.4778479608733546,0.4781149607583018,0.48147598385559054],"n_dims_used":45,"mean_confidence":0.8924184163411458},"coverage":{"mean_confidence":0.8924184163411458,"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}}