{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001377},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001613","480:4800001445","480:4800002112","480:4800001334","480:4800001833","480:4800001442","480:4800001620","480:4800001713","480:4800001889","480:4800001391","480:4800001614","480:4800001332","480:4800001612","480:4800002154","480:4800001553","480:4800001730","480:4800001893","480:4800001618","480:4800001662","480:4800001564","480:4800001435","480:4800001447","480:4800001726","480:4800002209","480:4800002434"],"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":[0.5921053064711217,0.44406545943829184,0.36645478408877113,0.357895266652386,0.3423032156983158,0.33389755428404916,0.3334500818794382,0.3294501925567218,0.3218356804383083,0.3143802881744347,0.3100858271897785,0.30894246314912915,0.30848404370181814,0.3034391874606672,0.3019463849976617,0.301351022860682,0.2975622337174501,0.2959468280933316,0.28064833582337834,0.27909023226258983,0.27555855856860545,0.27487046239946716,0.2686984378274429,0.2664871091279348,0.25968157096547706],"twin_dists":[0.13296392167555937,0.1654851009964202,0.18402624929341155,0.18617994826433312,0.1901726479618448,0.1923652098682284,0.19248276258676275,0.19353739895100092,0.1955647746667336,0.19757592940251284,0.19874668289511416,0.19905994668158436,0.19918573330316264,0.2005771809628754,0.20099148486377072,0.20115705083652372,0.2022151928940901,0.20266875048328675,0.20703906818238885,0.20749213542741524,0.20852481367290163,0.2087269561292116,0.2105541896787998,0.211215163199736,0.21327108107418263],"n_dims_used":43,"mean_confidence":0.9196341758550599},"coverage":{"mean_confidence":0.9196341758550599,"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}}