{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001110},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001237","490:4900002376","490:4900002379","490:4900001114","490:4900002548","490:4900001112","490:4900002535","490:4900001111","490:4900003809","491:4910001208","490:4900001109","490:4900001923","490:4900002976","490:4900002528","490:4900003137","490:4900003401","490:4900002382","490:4900001771","490:4900001498","490:4900002549","490:4900001921","490:4900001927","490:4900001497","490:4900003389","490:4900001925"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6041074767897052,0.3837200067894959,0.27527327663486856,0.2607946700381413,0.23980681481088081,0.23029290560160837,0.13723065542175267,0.12581125530557694,0.12347804391084001,0.11613491950889722,0.11457503579389221,0.10842932464969936,0.10500875616388879,0.08873652545256616,0.07923794805256318,0.07350721799333788,0.07329454412510433,0.051399784575561436,0.04928973594954138,0.048088081457763436,0.03680633814726895,0.03616666872945831,0.035946458410442736,0.03545016109858491,0.03280835413191002],"twin_dists":[0.13039335853678072,0.1797570011237156,0.20860858357296308,0.21293253004982649,0.21947801731939026,0.22256738160791337,0.2588442617602679,0.2644451528950648,0.2656364718933157,0.26950146330841346,0.27034648670579126,0.2737646189796832,0.27573253158045646,0.28584685374045293,0.2924512743509448,0.2967495151136594,0.2969141608058514,0.3164314683824937,0.3186580801239088,0.3199618676681699,0.33375899758158334,0.3346438561450193,0.334951550766458,0.33565093171157867,0.3395204321502383],"n_dims_used":45,"mean_confidence":0.9121029324001736},"coverage":{"mean_confidence":0.9121029324001736,"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}}