{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001199},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003354","490:4900002491","490:4900002028","490:4900003751","490:4900002482","490:4900001453","490:4900001870","490:4900003623","490:4900002344","490:4900003216","496:4960012072","490:4900002033","490:4900001710","466:4660000020","490:4900004867","490:4900002345","496:4960008866","490:4900000946","490:4900002495","490:4900001452","490:4900002035","490:4900001201","490:4900007633","490:4900002188","490:4900002332"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,490,490,466,490,490,496,490,490,490,490,490,490,490,490],"twin_sims":[0.7628695194974595,0.6723879095801828,0.6699425850094801,0.6464867928501444,0.5996476871913521,0.585784114959601,0.5546791995328193,0.5051512433915727,0.5041025205188918,0.5013941138970148,0.48330924035338135,0.473295115856331,0.4576120202393804,0.4444634799576867,0.4337987553090248,0.43313493266107445,0.42967591188105125,0.42111300443166894,0.4208880132285402,0.4205568936502626,0.41768416625303945,0.4139197719065304,0.4128839403815515,0.40261817487447177,0.3963795885481379],"twin_dists":[0.0955559026331953,0.11571515940272975,0.1162450323658559,0.12130617920869897,0.13134837948057596,0.13431859856530828,0.14100390620688294,0.15178070803909352,0.15201148454515026,0.15260808582177343,0.1566157708938613,0.15885472623278343,0.16239334421001797,0.16539375856302427,0.16785236695797945,0.16800618863379782,0.1688092626602318,0.17080880675700713,0.17086157264918292,0.17093924988752332,0.17161425405730255,0.17250178664429386,0.1727466156899914,0.1751877939403462,0.17668496522309796],"n_dims_used":45,"mean_confidence":0.9164335462782118},"coverage":{"mean_confidence":0.9164335462782118,"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}}