{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003749},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002927","490:4900002189","490:4900003223","490:4900004442","490:4900001042","490:4900003727","490:4900003609","490:4900003200","490:4900001846","490:4900003203","490:4900002490","490:4900004462","490:4900006170","490:4900000669","487:4870002292","490:4900003881","490:4900003621","487:4870005569","490:4900003622","490:4900003340","490:4900007395","490:4900001993","490:4900003869","490:4900002760","490:4900002029"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,487,490,490,490,490,490,490,490],"twin_sims":[0.5796772665553981,0.5440614684182884,0.5168023159970437,0.4783957302253717,0.44647957353972745,0.4195992683789844,0.41576460486318584,0.40697749756342816,0.40637405911574337,0.3968802153064714,0.39658504061993766,0.3882144358857774,0.38799157555468194,0.36966673720025056,0.3659597601179622,0.36245342268500974,0.3610325549478354,0.3452971520696585,0.3449173118851323,0.33753006580261563,0.336307938644253,0.33564890134715997,0.3349546827207185,0.33355235364039926,0.33300953419657586],"twin_dists":[0.1356282407729407,0.14329730204995988,0.14922514672074827,0.15771244625950206,0.16493156137215506,0.17116404465420137,0.17206639773606036,0.1741478262431047,0.17429148605407846,0.17656442696017768,0.1766354891044317,0.17866098508353376,0.17871518989881827,0.18322463163525424,0.1841501064554249,0.18502983534107367,0.18538755302600773,0.18939867908695415,0.18949667439901896,0.19141408359301246,0.1917334601301417,0.19190594588247706,0.19208783806595897,0.19245588783374035,0.19259858013102085],"n_dims_used":45,"mean_confidence":0.9179489983452691},"coverage":{"mean_confidence":0.9179489983452691,"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}}