{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001331},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002190","490:4900003895","490:4900004185","490:4900001722","490:4900001470","490:4900001201","490:4900002178","490:4900003755","490:4900002032","490:4900001166","490:4900003896","490:4900001202","490:4900001571","490:4900001165","490:4900002343","490:4900001862","490:4900002021","490:4900002193","490:4900001466","490:4900002333","490:4900001596","490:4900002327","490:4900001584","490:4900001848","490:4900002331"],"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":[0.8111567618427136,0.7645094014816783,0.7266014964051999,0.7250973539977016,0.7248495745997924,0.7242371944910546,0.7079672134227412,0.6958802154147188,0.6915707820129642,0.6838971422469311,0.6762441623285897,0.6695879216770226,0.6550773498815943,0.6481012731491459,0.6418288258126442,0.6205669404545959,0.6122450883847802,0.5726417124793507,0.5712607535156204,0.5687191694428804,0.561098796223128,0.5589606552676102,0.5416005538988392,0.5366272914837521,0.5255068258492668],"twin_dists":[0.08402667532818085,0.09517610691170623,0.10379841701689227,0.10413461629212668,0.10418996153076454,0.10432670091785731,0.10793773160704176,0.1105959978583916,0.11153939345101559,0.11321416874702664,0.11487852935563159,0.1163218433831006,0.11945656799533942,0.12095886840115024,0.12230752023019455,0.12686840311526645,0.12865083851389042,0.1371384853314774,0.137435132949121,0.1379813004203981,0.13962060477588423,0.14008108224209842,0.1438299446571031,0.14490774450792168,0.14732508685784115],"n_dims_used":45,"mean_confidence":0.9175999959309896},"coverage":{"mean_confidence":0.9175999959309896,"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}}