{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000446},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000931","480:4800000548","480:4800000381","480:4800001042","480:4800000410","480:4800000662","480:4800001044","480:4800000414","480:4800000660","480:4800001003","480:4800000513","480:4800000588","480:4800000437","480:4800000678","480:4800000545","480:4800000546","480:4800000480","480:4800000472","480:4800000663","480:4800000466","480:4800000839","480:4800000886","480:4800000321","480:4800000648","480:4800000695"],"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":[0.4122723588743795,0.40782648318948,0.3901320615508242,0.32653671673781864,0.31524693173862406,0.31047191084435627,0.2998951182907838,0.2918239165098787,0.27710829816197696,0.27233750946365265,0.2705122128379048,0.25181618779591547,0.2282679424426258,0.2258315880285727,0.2213881838400774,0.21872018673586177,0.21866143035056537,0.21585600876355465,0.19897055159796156,0.19820542052915405,0.19762085685802608,0.1869696105551023,0.186234113570768,0.18411594178347326,0.1828592775895844],"twin_dists":[0.17289129436344383,0.17394586925815836,0.17819517786015143,0.19431001883340154,0.19734077155371715,0.19864105162510592,0.20156273324346724,0.203833006350405,0.20807067386880992,0.2094737499715355,0.2100145581995046,0.21568988293790808,0.22323570642550203,0.22404502791219238,0.2255361345149905,0.2264410795217891,0.22646109185970417,0.22742084985185507,0.23338401622191715,0.2336623084846707,0.23387542569923497,0.23783768345081988,0.23811705200567934,0.23892596840178731,0.23940898245688794],"n_dims_used":43,"mean_confidence":0.9164933492971021},"coverage":{"mean_confidence":0.9164933492971021,"n_dims_used":43,"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}}