{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800005454},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800005293","480:4800004950","480:4800005372","480:4800005210","480:4800005830","480:4800005034","480:4800005105","480:4800005455","480:4800004669","480:4800003863","480:4800005198","480:4800004100","480:4800004496","481:4810004545","480:4800004931","489:4890000068","485:4850003834","480:4800003940","480:4800004082","480:4800004087","480:4800003930","479:4790004391","480:4800004776","480:4800005693","480:4800005033"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,481,480,489,485,480,480,480,480,479,480,480,480],"twin_sims":[0.5691956353726632,0.48739934499981724,0.4357265588376535,0.29850577397043143,0.28226456947568734,0.27896510190555934,0.27006139701129467,0.26875247606645347,0.24156586565655766,0.2162590106095971,0.2156926460295085,0.20024566109300854,0.19911348737212747,0.19070302587885765,0.17724158214678887,0.17504710223570716,0.17093783916470953,0.1705970250397193,0.16875848155074719,0.1673064755514265,0.16721249883087752,0.15730159728273238,0.15729923489481207,0.1550580231158845,0.15481164966197167],"twin_dists":[0.1378788907945149,0.1557055345091403,0.1674061880181009,0.20195094426525334,0.2065707068609234,0.20752858759248297,0.2101484747515458,0.2105380797805055,0.218915621184573,0.22728246537933516,0.22747699562291188,0.2329218719542814,0.23333210980287558,0.2364313514932516,0.2415973795572648,0.242465628616531,0.24411258536491678,0.2442504483212014,0.2449975880800949,0.24559179461353978,0.24563038056913414,0.24979090141808058,0.24979191554319335,0.25075907505191886,0.25086601583552864],"n_dims_used":43,"mean_confidence":0.9210554610851199},"coverage":{"mean_confidence":0.9210554610851199,"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}}