{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003530},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002992","490:4900003657","490:4900002092","490:4900002996","490:4900002091","490:4900001506","490:4900002989","490:4900003127","490:4900003120","490:4900003399","490:4900003528","490:4900001250","490:4900003654","490:4900003661","490:4900003523","490:4900002394","490:4900003256","490:4900004492","490:4900004356","490:4900003795","490:4900002696","490:4900003263","490:4900004493","490:4900002550","490:4900003125"],"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":[0.311295671438632,0.2701710470014566,0.2372267905678846,0.1997320855046799,0.19431852066368205,0.19362885246064968,0.1638182538284883,0.15487700309511357,0.15269507163991994,0.15012804739512073,0.1500935350023128,0.1295157948374094,0.12758451407899943,0.12258470022937193,0.12094873626883518,0.11747242690602583,0.11001100776743765,0.10962413182545937,0.10641987712461247,0.0926894998662755,0.09243273808126824,0.09044842080078665,0.08607956841715551,0.08470941690888055,0.0822446852888397],"twin_dists":[0.19841592438616515,0.21011589010178153,0.22030776404302327,0.2331077649083732,0.2350876464132564,0.23534261124552827,0.24703463571968068,0.25083763641381845,0.25178991250719035,0.25292313320549,0.2529384655699552,0.26258761385678536,0.2635509072192808,0.2660971400414017,0.2669474276101308,0.26878381837935633,0.2728708936196204,0.27308857316971674,0.2749147429304026,0.283263377653166,0.28342851023102367,0.28471707792338563,0.28763508836443835,0.28857447693582466,0.2902952790054494],"n_dims_used":45,"mean_confidence":0.9198901706271702},"coverage":{"mean_confidence":0.9198901706271702,"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}}