{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000597},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000813","490:4900000195","494:4940008437","496:4960008469","490:4900000686","490:4900000280","490:4900000625","490:4900000408","490:4900001174","490:4900000074","494:4940006275","490:4900000297","490:4900000809","496:4960008369","494:4940008427","490:4900000017","494:4940008873","490:4900000818","494:4940005931","490:4900000524","494:4940008582","490:4900000350","490:4900001432","490:4900000246","494:4940008335"],"twin_admin_codes":[490,490,494,496,490,490,490,490,490,490,494,490,490,496,494,490,494,490,494,490,494,490,490,490,494],"twin_sims":[0.7459627743048614,0.5535658890524174,0.5277040536075317,0.48100056709064026,0.44858416280127017,0.4423338442154147,0.4370555698765033,0.39804537613450064,0.3874536385556917,0.38635243880319264,0.3858514566769316,0.38213596478189193,0.3705992622006513,0.36544256298304506,0.36314876799794316,0.3586874506175439,0.348906930443844,0.3444380308674553,0.34215616694626116,0.33620612141992967,0.3315907044489759,0.3307493224851345,0.32925077702853595,0.32515515986824545,0.3248022828658285],"twin_dists":[0.09943324767670494,0.14124404234264062,0.14684660312391756,0.1571306149121326,0.16444992121205715,0.16588285971686548,0.16709905406152248,0.17628415541071124,0.17884608927197865,0.17911431902568012,0.1792364679439986,0.18014474410199113,0.1829925494103932,0.1842796014223949,0.18485503462963818,0.18597952944707102,0.18847021774127815,0.18962040624290952,0.19021075452605476,0.19176009616047604,0.1929721519232122,0.1931940971452596,0.19359016131876475,0.19467772327630686,0.1947717811171605],"n_dims_used":45,"mean_confidence":0.9170355902777778},"coverage":{"mean_confidence":0.9170355902777778,"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}}