{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":494,"cluster_id":4940000796},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940000795","494:4940000794","496:4960011480","490:4900002814","486:4860004655","470:4700006742","494:4940000348","487:4870004356","490:4900002651","473:4730003995","490:4900012304","489:4890001710","494:4940000346","466:4660008374","496:4960008374","490:4900012241","495:4950001987","494:4940000687","469:4690003170","470:4700009052","470:4700002294","496:4960011738","485:4850003790","494:4940000737","470:4700005513"],"twin_admin_codes":[494,494,496,490,486,470,494,487,490,473,490,489,494,466,496,490,495,494,469,470,470,496,485,494,470],"twin_sims":[0.036671644454735565,0.03147134209947397,0.00286173548630882,0.0019364245998492503,0.0019059993513365384,0.001455121956612264,0.0013981418121709016,0.0011973691200995254,0.0009417068662668415,0.0009296378244072866,0.0009205516345867617,0.0008918761567474036,0.0008704766155232784,0.0007703937603573694,0.0007441085431302828,0.0007441049276138014,0.0007193626846249407,0.000621013396688862,0.0006126605246037339,0.000587799324493265,0.0005472716107516914,0.00043654991884232113,0.0004292793325641366,0.00040653640851923817,0.0004051449469618898],"twin_dists":[0.33394422903319093,0.3415811566408119,0.44447926316201763,0.45906220445824675,0.4596437303981728,0.4694442852557337,0.47087736584965506,0.47639790803856763,0.4848274455892659,0.4852759995155286,0.48561727515204983,0.4867152163406364,0.48755614800992164,0.4917634923874938,0.4929527660988731,0.492952932354909,0.49410867399269653,0.4991020245268905,0.49955946171157706,0.5009562170347857,0.5033558937673512,0.5108743937773219,0.5114286051525263,0.5132207593880252,0.5133334303160159],"n_dims_used":45,"mean_confidence":0.9150288899739584},"coverage":{"mean_confidence":0.9150288899739584,"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}}