{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000821},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000688","496:4960008474","490:4900000428","496:4960008588","490:4900000676","490:4900001458","490:4900001045","490:4900000589","496:4960007283","487:4870003531","490:4900000423","494:4940008084","496:4960008861","490:4900001427","490:4900000940","490:4900000411","490:4900001191","494:4940008732","487:4870001962","494:4940008238","490:4900000810","490:4900000401","490:4900000433","490:4900001178","496:4960007546"],"twin_admin_codes":[490,496,490,496,490,490,490,490,496,487,490,494,496,490,490,490,490,494,487,494,490,490,490,490,496],"twin_sims":[0.48190276963713996,0.4658178483040082,0.44577244608364575,0.40178997012907225,0.3758312998959738,0.3491576541074948,0.27140198687932304,0.26881694445470034,0.2673708773573502,0.2530554491959045,0.251938849903069,0.25063408225039724,0.24653482424401144,0.24599403085068117,0.23870399066186973,0.23748113935483767,0.2355672735406643,0.2340222748980536,0.23381280940087157,0.2297501118011982,0.22767799683332604,0.2257266470468575,0.21952678689660265,0.21346774526224213,0.21271302602648315],"twin_dists":[0.1569293274979064,0.16053669797472297,0.16509358222219278,0.17538594195054694,0.18169574516491893,0.18840591806536572,0.2097506512460158,0.2105188630672659,0.2109505949547491,0.21530562950433987,0.21565179589224912,0.2160575391449832,0.21734114364937088,0.2175115027893736,0.21983197544670038,0.22022570395069724,0.2208445863660686,0.22134659230605896,0.22141481952329864,0.22274614493676512,0.22343115063962563,0.22408001758086615,0.2261667165349143,0.22824453919031742,0.2285061288148371],"n_dims_used":45,"mean_confidence":0.9080799526638454},"coverage":{"mean_confidence":0.9080799526638454,"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}}