{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010234},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008114","490:4900010144","490:4900011237","490:4900011369","490:4900012103","490:4900009446","490:4900011307","490:4900011570","490:4900008451","490:4900010052","490:4900008769","490:4900010589","490:4900011689","490:4900012176","490:4900009848","490:4900010584","490:4900007888","490:4900012109","490:4900009222","490:4900011505","490:4900010748","490:4900010756","490:4900011305","490:4900008104","490:4900009822"],"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":[0.008194985953165118,0.006124031035556176,0.005709476840405864,0.004366778959404749,0.0038672932277393304,0.0035734358533450754,0.0035129376013791364,0.003282996761073272,0.0032697503354112215,0.003055024277273876,0.002898416845645719,0.0026909403087068983,0.002312460513939018,0.002198950993864993,0.002112936143479102,0.0020054769363126237,0.0019161256973240055,0.0018428378271991446,0.0017172650650529586,0.0014264018797729581,0.0014195243586348169,0.0014175405830267483,0.0013099782176941115,0.0012429959750166722,0.001240937096206804],"twin_dists":[0.40257876670959486,0.4146042284979446,0.41744609490479173,0.42814202240008326,0.43290112135546505,0.4359694342726453,0.4366295534055382,0.43923692259213054,0.4393921534308647,0.4419920081434505,0.4439956703608569,0.44680842724009917,0.4524944620952731,0.4543667746878998,0.45584563992164034,0.45777296540045304,0.4594492404658721,0.46087874021841185,0.46345442225916217,0.47016000081243087,0.47033336567771594,0.4703835158103096,0.4732047752236973,0.47507195241462785,0.4751308072825913],"n_dims_used":45,"mean_confidence":0.8889556884765625},"coverage":{"mean_confidence":0.8889556884765625,"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}}