{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003256},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003125","490:4900004493","490:4900003657","490:4900003259","490:4900002993","490:4900003527","490:4900003254","490:4900003120","490:4900003521","490:4900003131","490:4900003396","490:4900003126","490:4900003952","490:4900003518","490:4900003258","490:4900004365","490:4900002845","490:4900001118","490:4900002992","490:4900003139","490:4900003265","490:4900003252","490:4900003654","490:4900003794","490:4900004356"],"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":[0.49109856874979696,0.4191326248370356,0.38919529671449826,0.33950375627285734,0.3375986924578844,0.3288555037320433,0.3263779151855367,0.3210921212417863,0.32032031795234583,0.28868938526845334,0.28088949254321616,0.2629731948736729,0.23416820300437347,0.2244149896669843,0.2199592061628677,0.21527275076542182,0.21395243678739997,0.2099219955885258,0.2087440563452226,0.18873508381766882,0.18273121847592239,0.18077679516888367,0.17093831107695995,0.16992773559862723,0.1615401623340617],"twin_dists":[0.15488428858357903,0.1712736642630089,0.17842259100912228,0.1908996163447548,0.1913961680345594,0.19369479669648337,0.1943522403338886,0.19576417195452764,0.19597141697838552,0.20472470666065692,0.20696908089347651,0.21227254299590143,0.22129908418646893,0.22451826818602605,0.2260199084042503,0.22762144013741967,0.22807687225593598,0.22947901424178366,0.2298922521424319,0.2371702244967129,0.2394583348365555,0.24021459513545226,0.24411239460807047,0.24452175908058207,0.24798896443949717],"n_dims_used":45,"mean_confidence":0.9167672051323785},"coverage":{"mean_confidence":0.9167672051323785,"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}}