{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010858},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010774","490:4900012052","490:4900012049","490:4900011230","490:4900010680","490:4900010415","490:4900010684","490:4900010773","490:4900010601","490:4900010839","490:4900009733","490:4900010935","490:4900009938","490:4900012051","490:4900011784","490:4900010398","490:4900011967","490:4900009734","490:4900010162","490:4900010419","490:4900010855","490:4900009239","490:4900011712","490:4900010928","490:4900011647"],"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":[0.3999806871543833,0.3568036390864567,0.3558420849360972,0.3208166612559821,0.32025477923964796,0.2702584468838605,0.23968743907239684,0.2150870740094555,0.20850653206320555,0.20485728668464578,0.17103349408486335,0.14443456473057661,0.1357262079554742,0.13379194188776683,0.1325510609631976,0.12702769528643643,0.12604011731060796,0.12484374959014288,0.12281433815914462,0.11693187161374749,0.11672501339234938,0.11650761040574713,0.11459950812171339,0.10842585232579462,0.10728888062858916],"twin_dists":[0.1758194563988262,0.18645649852240634,0.18670045731132967,0.195838106550389,0.19598902835475077,0.21008992336135432,0.2195162805361059,0.22768537376964973,0.22997577119796037,0.23126716840007489,0.24407392735171812,0.25548848358839177,0.25956160198490796,0.26049269837856576,0.2610953578751079,0.26383068812071014,0.2643292039521213,0.26493709910822055,0.2659784798028499,0.2690730969405756,0.2691840686256115,0.2693008599181528,0.2703331614188821,0.2737665920803297,0.2744153114371879],"n_dims_used":45,"mean_confidence":0.8905694749620225},"coverage":{"mean_confidence":0.8905694749620225,"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}}