{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004310},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003613","490:4900001300","490:4900000904","490:4900001558","466:4660000021","496:4960009281","490:4900004298","496:4960011896","490:4900002192","490:4900001459","490:4900002181","490:4900003478","490:4900002926","490:4900001200","490:4900007014","490:4900006303","490:4900001892","490:4900004035","490:4900003359","490:4900003218","490:4900000929","490:4900002781","490:4900004147","490:4900005007","496:4960009064"],"twin_admin_codes":[490,490,490,490,466,496,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496],"twin_sims":[0.5064724373837884,0.35588770961318084,0.33844920105035114,0.3369715817388175,0.3231230168888418,0.314183159463707,0.2860364178834644,0.28556509138901676,0.2824741729651263,0.2812444729055619,0.28117059682838674,0.27748108212327016,0.2750130703381378,0.26967606645217707,0.2598684070804469,0.2597474775329245,0.2557787821775957,0.2460304072482773,0.2376324519671283,0.23729265815061076,0.23674813692948524,0.230254813153409,0.22947614126141813,0.22858360539928305,0.2260481314245556],"twin_dists":[0.15149015538566815,0.18668887406115853,0.191174298478804,0.19155995367265177,0.19522016249906382,0.1976294702926717,0.20548394331945827,0.20561927061302296,0.20651008578671232,0.20686612651844893,0.20688754618479807,0.20796166387131831,0.20868503666155355,0.21026304821332775,0.21321419091335525,0.2132510100924371,0.2144653976903243,0.21750003605053045,0.22017691342676826,0.22028650779797224,0.22046234702822903,0.2225799178737148,0.2228364800607505,0.2231312670615617,0.22397286160978233],"n_dims_used":45,"mean_confidence":0.9180235968695747},"coverage":{"mean_confidence":0.9180235968695747,"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}}