{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002023},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002165","490:4900004166","490:4900002926","490:4900003613","490:4900001200","490:4900004043","490:4900000904","490:4900003058","490:4900003724","490:4900001881","490:4900004035","490:4900003741","490:4900003084","490:4900004147","490:4900004183","490:4900001025","490:4900005543","496:4960007017","490:4900003062","490:4900003864","490:4900002639","490:4900002905","490:4900004008","490:4900001337","490:4900003199"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490],"twin_sims":[0.5543049501387433,0.5085282757026142,0.5053931496012908,0.4381010480856845,0.42339995544033515,0.41901332083933784,0.3845827725520857,0.3630808414108712,0.36105667613510894,0.33123929271939756,0.32712027657632464,0.3212426040415322,0.3137120790104814,0.3120755039420086,0.30635283979038475,0.3055833591994907,0.30244364674007246,0.29760528270605774,0.29737151291791464,0.2915915645735279,0.2811245544312589,0.2792220171789425,0.2716188508350123,0.2695488167212699,0.26279384805212835],"twin_dists":[0.14108462191147425,0.1510384404451736,0.15172749367454658,0.16685770430926494,0.1702731327615117,0.17130169838173623,0.1795461347367338,0.1848721030055382,0.18538147430727875,0.1930648120588553,0.19415496182225433,0.19572379675017929,0.19775749485857042,0.19820311588803077,0.19977193584476718,0.1999841646541619,0.20085334559575052,0.20220312585838796,0.2022686660673544,0.20389890876796532,0.20690089746513807,0.20745375544492536,0.20968641032121985,0.2103009066425911,0.2123267466745787],"n_dims_used":45,"mean_confidence":0.9177020602756076},"coverage":{"mean_confidence":0.9177020602756076,"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}}