{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012564},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012563","490:4900012349","490:4900012282","490:4900012636","490:4900012565","490:4900001550","490:4900006639","490:4900003578","490:4900012284","490:4900012493","490:4900005755","490:4900006389","490:4900006640","490:4900006879","490:4900012635","490:4900003439","490:4900006270","490:4900002450","490:4900005108","490:4900000891","490:4900001274","490:4900006281","490:4900001143","490:4900012779","490:4900007125"],"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":[0.8128030287103571,0.7033047735396198,0.5562150863703956,0.41916072036173907,0.40754051611034364,0.381795529806927,0.32830332425413933,0.3282079534435757,0.31394087452997194,0.3063127874724316,0.30361582828898004,0.29071761342966873,0.287198412961178,0.2787716778439164,0.27666039026647343,0.27628282045673,0.25807033503598786,0.25497015594110134,0.2509179898500744,0.24275192109457516,0.2413973065479549,0.24058063435275262,0.239688736027564,0.23678960465529508,0.23512566801845639],"twin_dists":[0.08361869310643258,0.10896538343362584,0.14067274183908535,0.17126706285467364,0.17401387437774077,0.18022817661389895,0.19384108371306125,0.19386636369888735,0.19769530193251195,0.19978297498755782,0.2005282355259258,0.20414706913805997,0.2051508819853985,0.20758495421512493,0.208201770169715,0.20831238025360832,0.21376276297417307,0.21471428871988715,0.21596913794624945,0.21853791752924662,0.21896939685399888,0.219230286382341,0.21951586475966087,0.22044894680352164,0.22098785364800347],"n_dims_used":45,"mean_confidence":0.9089615715874566},"coverage":{"mean_confidence":0.9089615715874566,"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}}