{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001943},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001262","490:4900001798","490:4900001800","490:4900004384","490:4900009304","490:4900002705","490:4900004103","490:4900009491","490:4900003829","490:4900009174","490:4900003691","490:4900008084","490:4900008067","490:4900001802","490:4900001664","490:4900008082","490:4900007954","490:4900007840","490:4900001804","490:4900009077","490:4900007957","490:4900007962","490:4900001517","490:4900009691","466:4660003547"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466],"twin_sims":[0.3828308931423626,0.3472746872455341,0.32730112469782546,0.1975154360661284,0.18539534750650585,0.1685902282992864,0.15110166093991126,0.14392812540423527,0.14249573448806171,0.13583416507987536,0.12486603031650712,0.11752084966199014,0.11667699585613174,0.11486473619263449,0.11203158807113192,0.1086967637252893,0.10400638932624368,0.10393010896024268,0.10276328922472132,0.09445451788006565,0.09365338839656455,0.09224332276635079,0.09076565893527253,0.09070137321541008,0.08799487365564798],"twin_dists":[0.1799745443841747,0.18888941203092455,0.1941069399126606,0.23391390584725943,0.23843659355771216,0.24506625371994786,0.2524916637574212,0.25572027545759723,0.25637916008053835,0.2595099287788867,0.26492573754687704,0.2687579547458883,0.2692098498077104,0.2701888838120831,0.2717435135176899,0.27361279726853605,0.27631864357283353,0.2763634266951284,0.2770516643973989,0.2821378997605204,0.28264667170012636,0.2835505623418189,0.28450957876146843,0.28455158033225386,0.2863416853291888],"n_dims_used":45,"mean_confidence":0.920202891031901},"coverage":{"mean_confidence":0.920202891031901,"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}}