{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910005255},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007803","490:4900009317","490:4900009319","490:4900009318","490:4900009111","490:4900009228","490:4900008370","490:4900009413","490:4900008464","490:4900009124","497:4970000986","490:4900009316","490:4900009101","490:4900009110","490:4900009422","490:4900009320","497:4970000461","490:4900009225","497:4970001326","490:4900009113","491:4910005156","490:4900009215","490:4900009216","490:4900008446","490:4900005051"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,497,490,490,490,490,490,497,490,497,490,491,490,490,490,490],"twin_sims":[0.0028379878438963856,0.0026498642087164443,0.0021292826179704566,0.00024543894871365956,0.00022555120763385759,0.00021950686222918682,0.00018101167337361765,0.00016871536491108892,0.00015914625210714528,0.00015627757744639321,0.0001283455107750849,0.00010681503604115361,0.00008313978449576143,0.00006465442824592769,0.000059945076915333805,0.00005512101960503872,0.00004809694549358046,0.000031263763013647126,0.000028649731431649344,0.000026816622601668126,0.00002367522348737097,0.00001524916625039735,0.000010932017820235762,0.000010345633331845166,0.000010036038551847594],"twin_dists":[0.4447953751861321,0.4473887444831235,0.45556038773824564,0.5295459963404682,0.5322307621501453,0.5330909359459242,0.5391574444294095,0.54135380170246,0.5431700408836985,0.5437346072594251,0.5498090239060784,0.5554138853981722,0.5629721884896424,0.570456708678082,0.5726885225744214,0.5751542496069973,0.5791380486404664,0.5915508703185911,0.5940353561131823,0.5959099082380381,0.5994261669877041,0.6116794880511556,0.6207895793687249,0.6222857427128834,0.6231087202510973],"n_dims_used":45,"mean_confidence":0.8845676845974393},"coverage":{"mean_confidence":0.8845676845974393,"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}}