{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004687},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004824","490:4900005110","490:4900002738","490:4900005887","490:4900004133","490:4900004832","490:4900005111","490:4900002295","490:4900002445","490:4900001691","490:4900004968","490:4900006016","490:4900005232","490:4900012849","490:4900005628","470:4700004152","490:4900004692","490:4900004833","490:4900002728","490:4900001968","490:4900006017","490:4900003453","490:4900002596","466:4660007952","490:4900004823"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,470,490,490,490,490,490,490,490,466,490],"twin_sims":[0.5525454463584857,0.4603518060023424,0.42983593836660566,0.3540004631203001,0.33912837911487376,0.3369870620261002,0.31187434442623035,0.298263589510528,0.27574795664002577,0.26432488860877573,0.26163959455298863,0.2580108372307652,0.2562051051850296,0.253550636579823,0.2532421321590158,0.2422508299888589,0.23448922859587024,0.22497091518705742,0.21695813877682146,0.2125396256868456,0.2122203383623501,0.2098244475860828,0.18636538899645202,0.17664105814950812,0.17027787393406096],"twin_dists":[0.1414642128251577,0.16177214164986772,0.16877205183621108,0.18716865309341668,0.19099733893116042,0.19155590862801475,0.19825798122087512,0.2020187238186628,0.20846922833138062,0.21186476454866235,0.21267615022678968,0.21378095621569215,0.2143343782585469,0.2151524233702851,0.21524784925208182,0.21869734573168603,0.22119463987702584,0.2243323151490112,0.22704280716214123,0.2285663189859719,0.2286772360269389,0.22951317549161962,0.23806713208353839,0.24183421362778676,0.24437972758127646],"n_dims_used":45,"mean_confidence":0.9209203084309896},"coverage":{"mean_confidence":0.9209203084309896,"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}}