{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004012},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002611","490:4900002313","490:4900001998","490:4900004148","490:4900001694","490:4900004151","490:4900003193","490:4900004007","490:4900003201","490:4900001997","490:4900001426","490:4900004010","490:4900001424","490:4900003325","490:4900003048","490:4900002151","487:4870001770","490:4900001024","490:4900003726","490:4900003056","490:4900002159","490:4900002318","490:4900001567","490:4900002613","490:4900003353"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490],"twin_sims":[0.7954929962088946,0.727794747864965,0.6857948805642596,0.639222707946433,0.6240731655229997,0.6227602234866815,0.6050254146759965,0.5911615333198814,0.586430828676774,0.5681715086425758,0.5622622431992905,0.5338445530441106,0.5273919444002501,0.5254030184675325,0.4825235341029133,0.4742446059836105,0.4669083587709228,0.4630346400439462,0.45656969120716073,0.4554503893115619,0.45462625003068674,0.4522472865703357,0.44761822468521334,0.4467450076820565,0.44345200604845664],"twin_dists":[0.08785377630681585,0.10353142689707917,0.11280056486106693,0.12286735487746003,0.12611711039880782,0.1263984667995312,0.13019680131071862,0.13316612988425666,0.13417996430125553,0.13809902447487848,0.13937014079497181,0.14551166554924383,0.14691454349997948,0.14734770361975238,0.15679089979106198,0.15864178395211945,0.1602908243617129,0.161165124369975,0.16263002640464835,0.16288440495788933,0.1630718487804402,0.16361362495035622,0.16467087209316325,0.16487076885934215,0.16562594512453863],"n_dims_used":45,"mean_confidence":0.9124166700575087},"coverage":{"mean_confidence":0.9124166700575087,"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}}