{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011730},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010702","490:4900011799","490:4900010786","490:4900011864","490:4900011529","490:4900011478","490:4900011118","490:4900011112","490:4900010444","490:4900011035","490:4900011789","490:4900011664","490:4900012137","490:4900012122","490:4900009062","490:4900011530","490:4900010709","490:4900011870","490:4900011604","490:4900010628","490:4900012201","490:4900011806","490:4900011122","490:4900011595","490:4900011729"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.453664108894356,0.4217920535328321,0.4044524744379967,0.3642420695551288,0.34192693326928014,0.33027495720579125,0.3083197893996644,0.3078480835333834,0.299667988167059,0.29783574994201584,0.2915329018701731,0.28147641269563517,0.27651973738517344,0.27316667381985904,0.257101871659685,0.253966430714864,0.2496235811615794,0.2338024043042782,0.22529707027904605,0.21930970946323936,0.20758542607732167,0.20758024545045928,0.20710859447608018,0.20480286502526865,0.20333664223853745],"twin_dists":[0.1632908373395358,0.17064962530768385,0.17474958947342226,0.1845805352019004,0.19027017612908342,0.19331936470457664,0.19923082950845764,0.19936041376516123,0.2016261259096025,0.20213854115905472,0.20391555231440991,0.20679889992132186,0.20824296401950113,0.20922881830787798,0.21405922963783697,0.21502392756309197,0.2163727021638009,0.22141820972206688,0.22422336081838073,0.22624048829501806,0.23030026791567754,0.2303020957734434,0.23046863685217198,0.231286545713854,0.23180994050347759],"n_dims_used":45,"mean_confidence":0.9096001519097222},"coverage":{"mean_confidence":0.9096001519097222,"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}}