{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001335},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001031","470:4700005901","489:4890000851","489:4890000799","470:4700005477","489:4890001488","489:4890000906","489:4890001089","489:4890001574","489:4890000563","470:4700004839","489:4890000846","489:4890001347","470:4700006294","489:4890001808","472:4720004442","467:4670000366","489:4890001894","470:4700004832","489:4890001993","489:4890001976","489:4890001032","470:4700005170","472:4720004583","472:4720004510"],"twin_admin_codes":[489,470,489,489,470,489,489,489,489,489,470,489,489,470,489,472,467,489,470,489,489,489,470,472,472],"twin_sims":[0.878860449471532,0.8236638626076647,0.8230351630884235,0.8073455675661438,0.7737861565397679,0.7730417902079894,0.7600812631660897,0.7509755510927826,0.7462255993624624,0.7177512926921475,0.6969076446434851,0.6920968231075063,0.6903308357736603,0.6902613915322077,0.6767460835580303,0.663671017547471,0.6624812402792045,0.6620953214129076,0.658183585352386,0.6490203520551878,0.6411075855672113,0.6370536085435364,0.6367145283203778,0.6349124122983423,0.6345743841611208],"twin_dists":[0.06600107323228209,0.08089685009329588,0.0810559054363621,0.08496680184656678,0.09301402368037037,0.09318839181361993,0.09620008090644337,0.09829056725965891,0.09937347265485319,0.1057711346098976,0.11037075669117853,0.11142435014425886,0.11181044250309624,0.11182561778143722,0.11476953956830148,0.11760186212403051,0.1178589380818299,0.11794230246760076,0.11878672787856842,0.12076109524929456,0.12246248192550979,0.12333310607967618,0.12340589779711551,0.12379269649652262,0.12386523692442726],"n_dims_used":45,"mean_confidence":0.915720960828993},"coverage":{"mean_confidence":0.915720960828993,"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}}