{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000948},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000832","490:4900000246","490:4900000830","490:4900000162","490:4900000044","490:4900000622","490:4900000951","490:4900001328","490:4900000186","490:4900000934","490:4900000288","490:4900000808","490:4900004464","490:4900004326","490:4900001179","490:4900000195","490:4900000350","490:4900000047","490:4900000239","490:4900000785","490:4900000144","496:4960007808","490:4900000161","490:4900000511","490:4900000029"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490],"twin_sims":[0.685403857715567,0.6329302212756334,0.5823354042693869,0.5751532526705153,0.555488752417708,0.5519101373724487,0.5313031071164775,0.5250865296862683,0.5143245938109358,0.5097338875680056,0.5094661052396549,0.4986693650045461,0.47772540817154807,0.46769502928259854,0.4665664083050321,0.4589599121725237,0.44937008019191416,0.442972825499438,0.42826705773555535,0.424001003547529,0.42386542891584017,0.42189782213855215,0.4147768958294626,0.41450827765179216,0.4104595202670415],"twin_dists":[0.11288581676209261,0.12421801839768995,0.13505806498723982,0.1365991614340432,0.1408293352133271,0.1416013191484136,0.14606377936787607,0.1474166639445078,0.14976738312335539,0.15077376174121007,0.1508325363556564,0.1532091843546219,0.15786233742954983,0.1601135790200275,0.16036790144241037,0.16208756541420488,0.16427028077983472,0.16573601344627478,0.16913710716060412,0.17013255026962168,0.17016425330235987,0.17062484094067382,0.17229939754670515,0.17236280576299942,0.17332069935990826],"n_dims_used":45,"mean_confidence":0.9171194288465712},"coverage":{"mean_confidence":0.9171194288465712,"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}}