{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000436},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000249","490:4900000165","490:4900000296","490:4900000155","490:4900000434","490:4900000234","490:4900000506","490:4900000031","490:4900000073","490:4900000091","490:4900001741","490:4900000620","490:4900004321","490:4900000078","490:4900000182","490:4900000337","490:4900000418","490:4900000490","490:4900000236","490:4900000098","490:4900000497","490:4900000227","490:4900000156","490:4900000825","490:4900000575"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7528591823637925,0.7029441115802304,0.6713988718181884,0.6536329339292225,0.6344094483415291,0.616235911631417,0.5914471099135126,0.5842432846554694,0.5253470325022501,0.5144954937409423,0.5100371519796065,0.4529116665717389,0.45160078667982084,0.44591532319195515,0.44501540112557364,0.443436997033632,0.4431662364798604,0.44015387004124207,0.43479193206158734,0.42900141427597277,0.4234885197279706,0.41719405972131235,0.4038948593707216,0.3992347661745573,0.397618004859116],"twin_dists":[0.09785972854286051,0.10904475576694854,0.11592953133381353,0.11976784792390519,0.12390063055411411,0.12779615436438924,0.13310494202406759,0.13464894288280563,0.14735990182933892,0.14972996197072577,0.15070720890537276,0.16346221619326354,0.16376103792589755,0.16506083756757625,0.16526714906244935,0.1656293920168554,0.16569158119987254,0.16638446674240148,0.16762240320615063,0.16896616525897187,0.17025241273061037,0.17172961154704108,0.17488270622183727,0.175998442302592,0.17638691298645495],"n_dims_used":45,"mean_confidence":0.9174910651312934},"coverage":{"mean_confidence":0.9174910651312934,"n_dims_used":45,"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}}