{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005200},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008705","490:4900003415","490:4900013325","490:4900003817","490:4900005334","490:4900003813","490:4900003414","490:4900005071","490:4900005336","490:4900002267","490:4900004648","487:4870001983","490:4900003814","490:4900009876","490:4900005213","494:4940008348","490:4900013005","490:4900005209","490:4900005212","490:4900007597","490:4900011991","490:4900005339","490:4900013280","466:4660008479","490:4900003959"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,494,490,490,490,490,490,490,490,466,490],"twin_sims":[0.0003128807167779183,0.00021173866023185521,0.0001044829124264066,0.00006991609355664157,0.00006459842005729977,0.000039262190592340986,0.00002279542696819128,0.000016961161115528202,0.000014012683109018306,0.000013013036901021415,0.000012282281139258548,0.000011081899447178988,0.000010435553859189829,0.000009879289741183858,0.000009382850545055596,0.00000914173139105404,0.000007508140993001307,0.000006046162232986636,0.0000059574793841216465,0.000005952549975470112,0.000005876157469895086,0.000005718288473965276,0.000005647321535975653,0.000005635126598702397,0.0000054532542267693555],"twin_dists":[0.5217557336814818,0.534229757413684,0.5560838826336523,0.5681386040379659,0.5704823332532677,0.5850192949992924,0.6004908292564024,0.6087383465757906,0.6140069009396181,0.6160367063447989,0.6176171075146405,0.6204194781400036,0.6220511249355756,0.6235347021903325,0.624927826528898,0.6256301087772035,0.6309153056669371,0.6366787763346006,0.6370701200646448,0.6370920362516378,0.6374339200347662,0.6381541495619488,0.6384841456390336,0.6385412520074872,0.6394072798768237],"n_dims_used":45,"mean_confidence":0.9380039638943143},"coverage":{"mean_confidence":0.9380039638943143,"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}}