{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001220},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002358","490:4900002508","490:4900002804","490:4900001211","490:4900002511","490:4900002657","490:4900001474","490:4900002507","496:4960011572","496:4960011571","490:4900001743","490:4900002662","490:4900001611","490:4900002654","490:4900004737","469:4690003852","496:4960012352","490:4900001198","490:4900002510","469:4690002346","490:4900004870","469:4690003474","490:4900004031","490:4900002047","490:4900002806"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,496,490,490,490,490,490,469,496,490,490,469,490,469,490,490,490],"twin_sims":[0.7213683903169918,0.6038497276103538,0.6016420508302349,0.597610272508534,0.5932699524886812,0.5928822030210559,0.562291891935118,0.512715946885713,0.511868896800091,0.5032196017407895,0.49688142588651957,0.4918696937670851,0.45551361432512166,0.4496184891710623,0.44914390401358206,0.4302302790976774,0.42512305144657897,0.41562420551434226,0.41010356657517966,0.40809611152867536,0.4048771987647485,0.39365716510105886,0.39282626727188613,0.3893073144837534,0.380699690818266],"twin_dists":[0.104966442146949,0.1304485505280141,0.13092129224644566,0.1317847187720076,0.13271441063097972,0.13279747878005949,0.13936375898738076,0.1501197729153609,0.15030543899606028,0.15220587555828252,0.15360411721533196,0.15471332820891948,0.1628700300502843,0.16421352542402554,0.16432196671764984,0.16868038021763612,0.16987033040286173,0.17209950328296117,0.17340511114104326,0.17388176893952978,0.1746482522085116,0.1773416876147836,0.17754254101659767,0.17839538356104043,0.18049698398241845],"n_dims_used":45,"mean_confidence":0.9166297064887152},"coverage":{"mean_confidence":0.9166297064887152,"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}}