{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008701},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008369","490:4900008366","490:4900008476","490:4900008256","490:4900008695","490:4900008367","490:4900008808","490:4900009251","490:4900007916","490:4900008590","490:4900007802","490:4900008923","490:4900007801","490:4900008245","490:4900008137","490:4900009248","490:4900009037","490:4900008589","490:4900009129","490:4900009104","490:4900009252","490:4900008815","490:4900009210","490:4900008135","490:4900008807"],"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":[0.0142188115677442,0.004330660560012012,0.003858284216986501,0.0008538911727824374,0.000619348096287623,0.0005700934844647333,0.00043639221176535326,0.00037085292167533,0.000325937426923889,0.0002874835153513462,0.000273769654122923,0.00024197956310082825,0.0002094264536142146,0.00018674647016799986,0.00016387211843659345,0.00016286041915742692,0.0001023467219454322,0.00009935145174074148,0.0000849606826917107,0.00006861005060046267,0.0000614332922514968,0.000033267582234847464,0.000030451311008705582,0.000023432228865666143,0.000022520281602368365],"twin_dists":[0.3787879955949025,0.42846910959690115,0.4329919849164908,0.4882212182335236,0.49919276341483376,0.501984977453696,0.5108863233315243,0.5162312382759472,0.5204323719313044,0.5244853789925388,0.5260549549904586,0.529997949011451,0.5345763245517334,0.5381807773317733,0.542260565767813,0.5424531643070822,0.5567101150772358,0.5576093309052748,0.5623226945967783,0.5686981659629069,0.571965786757664,0.5897768247922747,0.5923011821644862,0.5997164006348454,0.6008318389903976],"n_dims_used":45,"mean_confidence":0.885811530219184},"coverage":{"mean_confidence":0.885811530219184,"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}}