{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000894},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940008664","490:4900001020","490:4900001047","490:4900000810","490:4900000109","490:4900000589","496:4960008764","490:4900001828","490:4900000388","490:4900000808","490:4900000655","490:4900000659","490:4900001179","494:4940008874","490:4900000577","490:4900000588","490:4900000411","490:4900000897","490:4900000697","490:4900000174","487:4870002997","487:4870003674","490:4900001018","490:4900001706","490:4900000501"],"twin_admin_codes":[494,490,490,490,490,490,496,490,490,490,490,490,490,494,490,490,490,490,490,490,487,487,490,490,490],"twin_sims":[0.49186820006312465,0.4697042438696613,0.4679482973018792,0.4635481913447646,0.46177798079454563,0.4614875106694181,0.4431095450569933,0.4346567468961855,0.4165381209536888,0.4137555275335612,0.40542752917183694,0.39672919424311276,0.38831485055586573,0.37703110069741846,0.37271277246518003,0.3605273376000564,0.3591033132782602,0.3554634020461743,0.34506970078660565,0.342039359064367,0.33829663517583264,0.33792688410094524,0.3349118156180209,0.33027003353950646,0.3290451596694349],"twin_dists":[0.15471365929019987,0.1596613424716874,0.1600565367328507,0.1610490696935985,0.16144930073380515,0.1615150253430166,0.16570460412832447,0.16765369209798456,0.17188409217714248,0.1725405896848801,0.17451701655188712,0.17660078165395976,0.1786365666965744,0.18139961619901696,0.18246761867579492,0.1855149191392585,0.18587440894930157,0.18679662740348765,0.18945735258124444,0.19024103062949882,0.1912140757348984,0.1913105180301834,0.1920990763754735,0.19332066543432808,0.1936445830036145],"n_dims_used":45,"mean_confidence":0.9150254143608941},"coverage":{"mean_confidence":0.9150254143608941,"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}}