{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001716},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001660","480:4800001610","480:4800002111","480:4800001943","480:4800001663","480:4800001440","480:4800001835","480:4800002060","480:4800001441","480:4800001320","480:4800002154","480:4800002398","480:4800002059","480:4800001375","480:4800002010","480:4800001721","480:4800001889","480:4800001662","480:4800002125","480:4800001954","480:4800001607","480:4800002209","480:4800001822","480:4800001435","480:4800001775"],"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":[0.7460452782200091,0.6476691401620226,0.4580980066537705,0.45265209070249424,0.44827664584501153,0.44448735878673395,0.42604126941086146,0.411489292195704,0.3841584015806951,0.37079816935472143,0.3695018536613807,0.35508406343358806,0.3481852903936712,0.3461055920361419,0.3148248016004432,0.31477439532543633,0.31160352326114377,0.3023133205009477,0.30052002512290904,0.2990629833462745,0.2943620029326771,0.2922197883394943,0.2905638778336875,0.2857536360061624,0.2788365173877407],"twin_dists":[0.09941448518854303,0.12105184260592439,0.16228305750559596,0.16352136241909707,0.1645202438589405,0.16538827956621885,0.16965595901507868,0.17307667701654794,0.17964982591504336,0.18294308391998582,0.1832656973104361,0.18689301710126366,0.18865542251218398,0.18919029881902644,0.19745526782007594,0.1974689455606392,0.1983318783669304,0.20088953742054586,0.20138846469063496,0.20179512181186895,0.20311514206953935,0.20372079622399947,0.20419076859199456,0.205565119578487,0.2075660563655025],"n_dims_used":43,"mean_confidence":0.9203293378963027},"coverage":{"mean_confidence":0.9203293378963027,"n_dims_used":43,"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}}