{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009212},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009332","490:4900009323","490:4900008702","490:4900009234","490:4900009136","490:4900009213","490:4900008814","490:4900009105","490:4900008354","490:4900009552","490:4900008698","490:4900007914","490:4900008917","490:4900009214","490:4900008794","490:4900008482","490:4900009031","490:4900008257","490:4900009348","490:4900008916","490:4900009224","490:4900009028","490:4900007766","490:4900008700","490:4900009639"],"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":[0.32430124160653695,0.02941485379357615,0.021302888333975444,0.01775513671752911,0.01041656938979025,0.009495053109616436,0.006518436022247472,0.003209405171342839,0.0030526623022748113,0.002745641639799003,0.0027316225076542858,0.0021836625432903015,0.0021675888114882323,0.001920112065587973,0.001678928840888482,0.0016599134847306697,0.0013212782814174754,0.0012830014115840804,0.0012685616168673672,0.0012307801817520285,0.0010138524070153034,0.0009543300261819005,0.0008929156222164748,0.000748794494783503,0.0006825600930551184],"twin_dists":[0.19490542906220848,0.3449020155376893,0.3603361793273931,0.3687648980315479,0.3923997046564315,0.39636128962662603,0.41205721339741935,0.44010666464674164,0.44202152345324824,0.4460480788546684,0.4462416141587604,0.4546257029484162,0.4548997324724096,0.4593729362960444,0.46427538127981083,0.46468902064307427,0.47289851576749053,0.4739459074578339,0.4743485538614625,0.47542248057299485,0.4822524232600798,0.4843639710924255,0.48667484777358727,0.49273791644407006,0.49589814061760323],"n_dims_used":45,"mean_confidence":0.8697136773003472},"coverage":{"mean_confidence":0.8697136773003472,"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}}