{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001087},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000616","490:4900001881","496:4960008582","490:4900002503","496:4960007017","490:4900004183","490:4900004043","490:4900001337","496:4960011895","490:4900002023","490:4900000232","496:4960006761","490:4900004166","490:4900000917","490:4900001077","490:4900001338","490:4900001882","490:4900000711","490:4900003880","490:4900000349","490:4900003615","490:4900003741","496:4960006230","490:4900000833","490:4900000916"],"twin_admin_codes":[490,490,496,490,496,490,490,490,496,490,490,496,490,490,490,490,490,490,490,490,490,490,496,490,490],"twin_sims":[0.4000460852902545,0.2872945254353115,0.21284503181539793,0.20350918631105153,0.18616796574232586,0.18616638275927272,0.18176570071447598,0.1783638890914205,0.17831422139996456,0.17495998317740122,0.17475823769714927,0.1735784581661463,0.17231031548740178,0.16678364430791698,0.15446973832308666,0.1531254202577357,0.13622502652600152,0.13570399743090722,0.13520872911906434,0.13410733464582547,0.13371177000615325,0.132593984936587,0.1305986019618646,0.13047350909915484,0.12937067948445444],"twin_dists":[0.17580377116572865,0.20512336958470276,0.22846032965275648,0.23174821371791268,0.23814221531422258,0.23814281757407366,0.23983122174722088,0.2411562900184795,0.24117576867838467,0.24250025704950295,0.24258049489213543,0.24305104306361514,0.24355938959668494,0.24580666281536878,0.25101463236940497,0.2516013062204407,0.25932310171146894,0.2595722367765746,0.25980971973153,0.2603401914203849,0.2605315082370777,0.26107444025177107,0.262052266569549,0.26211394179525827,0.2626596164203972],"n_dims_used":45,"mean_confidence":0.9175111558702257},"coverage":{"mean_confidence":0.9175111558702257,"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}}