{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002032},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001639","480:4800001869","480:4800001922","480:4800001870","480:4800001291","480:4800001979","480:4800001695","480:4800001638","480:4800002363","480:4800001748","480:4800002030","480:4800002097","480:4800001750","480:4800001635","480:4800002365","480:4800001697","480:4800001637","480:4800002510","480:4800001813","480:4800001696","480:4800002283","480:4800002409","480:4800002415","480:4800001861","480:4800001749"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.9034207502560118,0.888333949480342,0.8783948347283891,0.8674076082793888,0.858847300472954,0.8297144889160611,0.8267484811475739,0.8139834250344251,0.7871622212466038,0.7774916648213329,0.7723141308517028,0.7666349992550161,0.7507464937189025,0.7424265318733593,0.7360419098949509,0.6977378110929086,0.6960495837011109,0.6831042441036489,0.6453483461200322,0.6231375449103436,0.6228319898228944,0.6073356382764578,0.6057137047393027,0.6009220216127988,0.5579055621709957],"twin_dists":[0.0585349045742659,0.0632016648417403,0.06613636571731239,0.06927225049022454,0.07164650299622759,0.07935610189520938,0.0801136676483828,0.08332544589962011,0.08985229638127253,0.09214361123984909,0.09335869345954896,0.09468277184481283,0.09834290379419876,0.10023607592280506,0.10167907022207492,0.11018866778937927,0.11055887632297157,0.11338686952052943,0.12155100798160486,0.12631761235863007,0.12638308853974786,0.12970211969263348,0.13004941938597717,0.1310754813513029,0.14030840123270977],"n_dims_used":42,"mean_confidence":0.9108672369094122},"coverage":{"mean_confidence":0.9108672369094122,"n_dims_used":42,"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}}