{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006370},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006735","490:4900006489","490:4900008156","490:4900008716","490:4900008384","490:4900008051","490:4900004787","490:4900005337","490:4900008830","490:4900008604","490:4900006485","490:4900004933","490:4900008939","490:4900005074","490:4900004243","490:4900004930","490:4900004794","490:4900007576","490:4900008933","490:4900008829","490:4900008496","490:4900004650","490:4900009567","490:4900007355","490:4900009161"],"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":[0.27262935257751864,0.2091715891643254,0.2078278909764669,0.2075115112304943,0.1498388332073802,0.14631485965813998,0.12138512158774059,0.11215435598557949,0.0939413594338734,0.09321449063842877,0.08618392778528554,0.08527141208782699,0.08128521663619025,0.08051801735343973,0.07847272108217668,0.07746347972318611,0.07715813357508702,0.06506414781860906,0.0649116464809605,0.06340461443131719,0.06294843643063175,0.057562253476258374,0.05671368043940404,0.05541823383768118,0.053058722571491294],"twin_dists":[0.20938748849091388,0.22974208455672543,0.230214754866598,0.23032634991082845,0.25305169892666945,0.2546331271539854,0.26671976396561237,0.2716755228388431,0.2824633967477577,0.28292685878487217,0.28756402795423414,0.28818771374871777,0.29097631048098654,0.29152551567709845,0.29301044167459256,0.2937546552126885,0.29398135347661136,0.30360542009887564,0.3037357626823965,0.30503746865679615,0.3054364853231875,0.31033688769206935,0.3111430509502666,0.3123931821414036,0.3147336644326236],"n_dims_used":45,"mean_confidence":0.9328754001193577},"coverage":{"mean_confidence":0.9328754001193577,"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}}