{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003868},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003727","490:4900003622","490:4900002760","490:4900002453","490:4900003621","490:4900003217","490:4900003589","490:4900001693","490:4900001695","490:4900003049","490:4900001993","487:4870001954","490:4900003203","490:4900002490","490:4900003061","487:4870002874","490:4900003207","490:4900004148","490:4900004010","487:4870002039","490:4900001866","490:4900001024","487:4870002035","490:4900003332","490:4900002613"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,487,490,490,490,487,490,490,487,490,490],"twin_sims":[0.7433994733332856,0.643672803066821,0.6400908485925974,0.5877517760455374,0.5759829875212591,0.562475686882264,0.5520327759284518,0.5327569401679445,0.5264906473649331,0.5247504131065189,0.5136882165834615,0.49614657424474995,0.4908685728732867,0.47396673220146907,0.4711917301050241,0.46483848973647923,0.455353054033105,0.43871458413542624,0.43769760811353076,0.4351830582931968,0.4339306068340656,0.4308841781048653,0.42685909916602194,0.42193924239617636,0.41765824516155087],"twin_dists":[0.10001545298656468,0.12191123133473206,0.12268089560112051,0.13389682606415676,0.13642103614282705,0.1393241986248421,0.14157485052257826,0.14574787638983625,0.14711078856848073,0.14748991119504948,0.14990675481711663,0.15376655367382913,0.1549352946603435,0.1587040881444773,0.15932695912930347,0.1607576800791359,0.16290653663330504,0.16671617463043495,0.16695081187079672,0.16753189809809388,0.16782182544143304,0.16852844493702404,0.16946518573252095,0.17061513579678358,0.17162035371363185],"n_dims_used":45,"mean_confidence":0.9049960666232639},"coverage":{"mean_confidence":0.9049960666232639,"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}}