{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001890},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002501","490:4900000079","490:4900000607","496:4960011482","490:4900002794","469:4690003477","466:4660005328","493:4930004123","466:4660008369","490:4900005532","466:4660013953","469:4690002446","490:4900004285","466:4660002902","490:4900001887","494:4940008747","490:4900001476","466:4660004044","490:4900000103","493:4930004386","490:4900000014","490:4900003723","490:4900001735","490:4900001209","493:4930007151"],"twin_admin_codes":[490,490,490,496,490,469,466,493,466,490,466,469,490,466,490,494,490,466,490,493,490,490,490,490,493],"twin_sims":[0.28845182044007933,0.2720087896578019,0.19369416472979353,0.18054985896514006,0.17338410703894647,0.1705899983014958,0.1677495113467007,0.16450407601117176,0.16361249794180993,0.158134754777492,0.15220141192879313,0.14992976740103642,0.14980524752497698,0.14090340831448617,0.1404271516301961,0.138634307346368,0.13447386163437244,0.1333626943936005,0.12784449536651285,0.12623359308480964,0.12552421653283988,0.12516461108208254,0.11909621676589702,0.11682046273760381,0.11349413647386185],"twin_dists":[0.2047925231947374,0.20957097944880548,0.23531843878305062,0.24030278170099126,0.24312877782029257,0.24425329278924615,0.24541009826295154,0.2467492169442163,0.24712043374444398,0.24943393457837634,0.2520067468404183,0.2530112558460078,0.25306664076677443,0.2571174181477295,0.2573394336581652,0.2581802692772119,0.2601632967845116,0.2607006940079594,0.2634205927689483,0.26423130734210226,0.2645908025503298,0.26477363130829634,0.26792093578860765,0.26913284489829314,0.27093723792093133],"n_dims_used":45,"mean_confidence":0.9152092827690972},"coverage":{"mean_confidence":0.9152092827690972,"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}}