{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960011480},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002814","490:4900002651","469:4690003170","496:4960011479","470:4700003145","496:4960011384","470:4700002294","466:4660000226","496:4960008374","490:4900009514","470:4700000669","480:4800003899","496:4960009369","496:4960011738","490:4900002812","489:4890003219","494:4940003473","466:4660003214","496:4960010826","466:4660003252","478:4780008108","488:4880000739","496:4960011294","493:4930001598","485:4850003790"],"twin_admin_codes":[490,490,469,496,470,496,470,466,496,490,470,480,496,496,490,489,494,466,496,466,478,488,496,493,485],"twin_sims":[0.3790261016864865,0.3661199903534688,0.24705364314776887,0.17187833185368934,0.108728745101653,0.09596209374370823,0.07888775553637957,0.07873953841383753,0.06823361646609816,0.06575141527270982,0.06564753654871941,0.055453874595559956,0.05108620284904004,0.045629336508309686,0.044980333682803575,0.04460250075674512,0.044155636531725564,0.043456676771401914,0.04061645309142793,0.03989901222993483,0.03944153645406362,0.03864860735606175,0.037422715809880845,0.037316973118570025,0.034602303462128434],"twin_dists":[0.18090823401323433,0.18411000694367816,0.21717793251480375,0.24373316523297378,0.27359466123401954,0.2811896338847146,0.2927066266133428,0.2928149773443047,0.3009513275043688,0.3030210921552087,0.3031090909184825,0.31235846652254284,0.31675750167893524,0.32271677285485717,0.3234646541604071,0.3239042296210882,0.32442816899431776,0.32525668553130616,0.32874319334199686,0.32965633145565565,0.3302458613437411,0.33128151113951265,0.33291861942149836,0.33306195218926504,0.33686523083621717],"n_dims_used":45,"mean_confidence":0.9161066691080729},"coverage":{"mean_confidence":0.9161066691080729,"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}}