{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007774},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008109","490:4900009940","491:4910005663","490:4900010127","490:4900007787","490:4900007773","490:4900010915","490:4900011147","490:4900010312","490:4900009529","490:4900010024","490:4900011227","490:4900011292","490:4900008212","490:4900008107","490:4900010992","490:4900010746","490:4900011151","490:4900011296","490:4900008228","490:4900008439","490:4900010565","490:4900011433","490:4900011690","490:4900010134"],"twin_admin_codes":[490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.419163960493939,0.3055852826825099,0.2986814559246668,0.29801995603617887,0.29801623723025905,0.26053002412172827,0.25811137599891415,0.25463959309247247,0.23367324410082121,0.23250260842681378,0.22817071316209903,0.21676602934400652,0.21518542899170012,0.21433614428802408,0.2052708292066478,0.20525217444215937,0.2010299007194729,0.1930640756289788,0.17366893583457907,0.17099026714351734,0.1702679271282471,0.1626148813777569,0.16147212206648154,0.14739894442546786,0.14669200567786406],"twin_dists":[0.17126630155563538,0.1999836337575551,0.20190179677981385,0.20208694149184842,0.20208798301564965,0.2130129401525276,0.21375021500883387,0.21481617837330919,0.22146030106811174,0.22184249176375734,0.22326789467647243,0.22710860961848078,0.22765150279932148,0.2279443201697899,0.23112003792046695,0.23112667055593933,0.2326386426612791,0.23555187548996243,0.24301487586029144,0.24409139518300302,0.244383759548925,0.24753754054127314,0.24801761724978896,0.25414366259725246,0.25446254238449306],"n_dims_used":45,"mean_confidence":0.8889444139268663},"coverage":{"mean_confidence":0.8889444139268663,"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}}