{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003353},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001595","490:4900002313","490:4900003193","490:4900000954","490:4900002332","490:4900004007","490:4900001332","490:4900004186","490:4900002159","490:4900002611","490:4900001998","490:4900003751","490:4900001338","496:4960011459","490:4900004012","490:4900001997","490:4900003890","490:4900001319","490:4900001870","490:4900004597","490:4900000196","490:4900004036","490:4900003354","490:4900001605","490:4900002760"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5940591684693192,0.5805361575519987,0.5220712610789909,0.517547471817178,0.5138710769686438,0.506585259051362,0.5060344778588598,0.4897280226998465,0.4738242590931306,0.4704541137942121,0.4692759244802058,0.46263983646754053,0.46235689123197377,0.4574537512519667,0.44345200604845664,0.40238813452262795,0.40133819098040036,0.39534309646106014,0.3946862951108954,0.3943777050832783,0.3914830286598453,0.3835370805626613,0.38151382812106743,0.3721008408700505,0.36980057548544315],"twin_dists":[0.13254534273926893,0.13544398423513002,0.1480741382648673,0.1490621973830376,0.14986670253651135,0.15146535335924807,0.15158644762303797,0.15518833923420186,0.15873603780051834,0.15949272898428635,0.15975769391695097,0.16125437457042824,0.16131835427611285,0.16242926988561301,0.16562594512453863,0.17524281265040484,0.17549410785391442,0.1769347490786053,0.1770931876937477,0.17716767018481946,0.1778676612684497,0.1798017387471552,0.1802972420363819,0.1826194518249806,0.18319130475073386],"n_dims_used":45,"mean_confidence":0.915730709499783},"coverage":{"mean_confidence":0.915730709499783,"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}}