{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001930},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002282","480:4800002330","480:4800002136","480:4800002511","480:4800002028","480:4800002509","480:4800002512","480:4800002033","480:4800002030","480:4800002094","480:4800002187","480:4800001805","480:4800001635","480:4800001872","480:4800001812","480:4800002086","480:4800002427","480:4800002192","480:4800002284","480:4800002414","480:4800001430","480:4800002409","480:4800001934","480:4800002415","480:4800001808"],"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":[0.7949132635161618,0.7655959271445963,0.7412872580128486,0.7204281807877311,0.711351302446152,0.7086677984088062,0.6952022522368124,0.6940101871868306,0.6619407573253342,0.6575768214911137,0.6400723648686295,0.6352350473940702,0.6266776360005322,0.6244251481245301,0.6213985762882366,0.6107844062402678,0.603697877510401,0.5991072577390663,0.5955696848390658,0.5955171384790475,0.5867003846247208,0.582316948564251,0.5818894158664565,0.5768903288435212,0.5640957000396973],"twin_dists":[0.08799363563495484,0.09492408176886721,0.10049416698127546,0.10517581241929523,0.10718995113739849,0.1077830571592448,0.11074455719553583,0.11100563807736841,0.11797568777664552,0.11891761999245452,0.12268486585111497,0.12372345577077166,0.12555887782102082,0.12604167645299363,0.12669022555399906,0.12896363108306153,0.13048106637943527,0.1314641159688085,0.13222178051864864,0.13223303577574766,0.13412218319245015,0.1350620230724135,0.13515371612422733,0.13622627798764908,0.13897557649429382],"n_dims_used":42,"mean_confidence":0.9113025665283203},"coverage":{"mean_confidence":0.9113025665283203,"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}}