{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002509},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001611","490:4900002356","490:4900002202","490:4900002658","490:4900001478","490:4900002511","490:4900002659","490:4900004321","490:4900002512","490:4900001211","490:4900002358","490:4900000078","490:4900002508","496:4960006370","490:4900004870","490:4900002662","490:4900002510","490:4900001741","496:4960011566","490:4900000095","469:4690002228","469:4690001746","490:4900000434","490:4900000120","490:4900002657"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,496,490,469,469,490,490,490],"twin_sims":[0.8080009274705647,0.7053781816922304,0.6744433984377436,0.6271229095625376,0.5867274668977174,0.5440855910996463,0.542601382718419,0.5159561496692207,0.47278619380006887,0.43379075543401435,0.42582716421458855,0.41778223817509047,0.39314184853722894,0.3822342584821469,0.3809762897643158,0.38068733119486065,0.37823489880533384,0.3686174744168584,0.36228099467739583,0.35997365131543074,0.35236637580719266,0.35214103413287956,0.3507533104593537,0.3471121249772048,0.34635334647878196],"twin_dists":[0.08480556849984519,0.10850874554940654,0.11526937276563079,0.12546342388311554,0.13411637801910847,0.14329208307070773,0.143613271372149,0.14941025398736102,0.15896892050720274,0.16785422013424633,0.16970592785982655,0.17159117759509038,0.17746623216707974,0.18012066129810525,0.18042909962768322,0.1805000179005453,0.1811029618810939,0.1834861155786917,0.18507320779151396,0.18565460892102736,0.1875851457704706,0.1876426591168109,0.1879972678674608,0.18893121819396036,0.18912649017548674],"n_dims_used":45,"mean_confidence":0.9133407592773437},"coverage":{"mean_confidence":0.9133407592773437,"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}}