{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001371},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001310","480:4800001875","480:4800002360","480:4800001312","480:4800001646","480:4800001486","480:4800001427","480:4800002513","480:4800001356","480:4800001229","480:4800001541","480:4800001584","480:4800001698","480:4800001927","480:4800002100","480:4800001473","480:4800001237","480:4800001483","480:4800001414","480:4800002270","480:4800001585","480:4800001530","480:4800001923","480:4800001867","480:4800002426"],"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":[0.6467448148884549,0.5621436018115932,0.5415650588298213,0.5107965256574387,0.5063447951770826,0.503253583910775,0.4949130045598399,0.443698858449751,0.4325614891330354,0.4226403688661271,0.39454083605254664,0.3929816828083867,0.38561377101796207,0.3777402713061788,0.354729729043595,0.3535361611926162,0.34175124994983686,0.3344094703565739,0.3229281800584258,0.31254837209586384,0.3078444460576921,0.30008483970343497,0.29818837112534013,0.28571107089218495,0.27448166491784853],"twin_dists":[0.12125068155569063,0.13939567846590736,0.14383763047220113,0.15054060529472318,0.15151821723436465,0.15219839203962005,0.15403938537895043,0.16556926072776185,0.16813914394621468,0.17045091617036714,0.177128292902487,0.17750495734142518,0.17929444654228824,0.18122479822624088,0.18698310135090182,0.18728689162886167,0.19031573089274956,0.19223083263445798,0.19527226987406862,0.19807422268544167,0.1993614134748202,0.20150980297503604,0.2020397815687862,0.20557734263271885,0.20884131053508428],"n_dims_used":43,"mean_confidence":0.9134943762490916},"coverage":{"mean_confidence":0.9134943762490916,"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}}