{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001469},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002314","480:4800001423","480:4800001811","480:4800002463","480:4800002419","480:4800002094","480:4800002283","480:4800001860","480:4800002466","480:4800002316","480:4800002186","480:4800002510","480:4800002137","480:4800001869","480:4800001365","480:4800001291","480:4800001934","480:4800001246","480:4800001870","480:4800001487","480:4800002369","480:4800002329","480:4800002187","480:4800001922","480:4800002224"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.7763102842045694,0.7444161063895359,0.7297526464605399,0.7230655055375985,0.7183119422213498,0.7038250114767989,0.6814137235442538,0.6589738267311507,0.6559925759056036,0.6407532749558762,0.6299328365276827,0.6283026598094534,0.6159993124758234,0.6104308439674377,0.5959681423130454,0.5844577472440028,0.5782347373561838,0.5554709328619045,0.554520363739278,0.5535223664681487,0.5484952621059411,0.5477202758786253,0.541948301294711,0.5395421056203517,0.5390293272597677],"twin_dists":[0.09242155198357598,0.0997847107828605,0.10309280105962355,0.10458815258949108,0.10564654428937667,0.10885086238977898,0.11375487319101994,0.1186162202892757,0.11925926711154021,0.12253859915385809,0.12486093951827468,0.12521049538373233,0.1278468293206355,0.12903934168232561,0.1321364333665362,0.1346029599122921,0.1359377556831323,0.14083317738892123,0.14103816187822538,0.1412534314768394,0.14233872158745414,0.14250617628766934,0.1437546511602513,0.14427581975309378,0.1443869411600028],"n_dims_used":42,"mean_confidence":0.9103690556117466},"coverage":{"mean_confidence":0.9103690556117466,"n_dims_used":42,"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}}