{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001695},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002453","490:4900003061","490:4900001866","490:4900001693","490:4900002465","490:4900003589","490:4900001837","490:4900004010","490:4900003201","490:4900001559","490:4900004585","490:4900003060","490:4900003727","490:4900002001","490:4900000924","490:4900003868","490:4900004298","490:4900000884","490:4900004442","490:4900002781","490:4900002490","490:4900001558","490:4900004021","490:4900001880","490:4900003199"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7997147628885553,0.6629632459781483,0.6595664384155804,0.6480499601651681,0.6443075050431423,0.5995427733363307,0.5968623098492696,0.595239390622611,0.5951908169641628,0.5875454476633322,0.5725709872147174,0.5651455556034531,0.5418902530933728,0.5361276735412032,0.532448368942519,0.5264906473649331,0.52113554853772,0.5190910771240731,0.5172836104418826,0.5045325678741165,0.5010853919489942,0.5006038833014439,0.49517442259435857,0.49046796409669985,0.4903804193629425],"twin_dists":[0.08683159215851198,0.1177548028428071,0.11848832791749785,0.12096990897752538,0.12177479258712283,0.13137084727842513,0.1319449150937314,0.13229252903824923,0.13230293356107634,0.13394104893780326,0.1371536762037776,0.13874971864431224,0.14376721900974174,0.14501612752394347,0.14581491078657857,0.14711078856848073,0.1482783455659711,0.14872482374252657,0.14911989162837386,0.15191683495233743,0.1526761463517646,0.15278232241383113,0.1539815505497901,0.15502415445764942,0.15504357580072967],"n_dims_used":45,"mean_confidence":0.9168061998155382},"coverage":{"mean_confidence":0.9168061998155382,"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}}