{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000729},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001081","490:4900000508","490:4900000722","490:4900001074","490:4900000194","496:4960007932","490:4900000829","490:4900000048","490:4900000513","490:4900000828","490:4900000520","494:4940008692","490:4900000047","490:4900000519","490:4900000352","478:4780007734","490:4900000477","490:4900000157","490:4900001619","490:4900000203","490:4900000833","490:4900000181","480:4800003483","496:4960009068","490:4900000621"],"twin_admin_codes":[490,490,490,490,490,496,490,490,490,490,490,494,490,490,490,478,490,490,490,490,490,490,480,496,490],"twin_sims":[0.5767972310332309,0.3924942520431925,0.3520789767172692,0.33337596642645356,0.3132206397295519,0.2879968353781316,0.2860125077780197,0.2850790210133399,0.26922824953119545,0.2683751477640088,0.25868149334945795,0.24228686690369583,0.22001498269624695,0.214240945501026,0.21011214627051977,0.20402283097521523,0.20330938463582318,0.2023605273437443,0.19992362491782287,0.19749428014447912,0.19438430168416604,0.1865183619619415,0.18520623265718777,0.17453635120711092,0.17291417897387415],"twin_dists":[0.1362462598611039,0.17762285443727557,0.18765850122961136,0.19250224129189478,0.1978911688759879,0.20492249896310452,0.2054908051638084,0.20575897185995545,0.21039632853962076,0.2106506109797212,0.21357603591264504,0.2186858730326506,0.226000986122938,0.22797719171122888,0.22941245459264775,0.23156467208924666,0.23181969506202044,0.23215981944830935,0.23303839713829724,0.23392162978294687,0.2350633605676552,0.23800899241743648,0.23850878030031517,0.24266881951951955,0.2433169929619682],"n_dims_used":45,"mean_confidence":0.9178088717990451},"coverage":{"mean_confidence":0.9178088717990451,"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}}