{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003989},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004129","490:4900004280","490:4900004415","490:4900003297","490:4900002279","490:4900006512","490:4900003303","490:4900006508","490:4900003840","490:4900003173","490:4900001820","490:4900001418","490:4900004419","490:4900000896","490:4900003573","494:4940008501","490:4900003705","490:4900003175","490:4900004268","490:4900003438","490:4900006398","490:4900004686","490:4900005630","490:4900003307","490:4900001422"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8011489797240487,0.5244121373564159,0.4845242676237893,0.4432404821372193,0.40838055183726546,0.4040763618839369,0.396171771097541,0.3892228898109931,0.38448506374682273,0.37334805551734224,0.3640915064360762,0.3512163234871398,0.34327386049560116,0.33418240062837623,0.3280143246922073,0.3258855991791028,0.31862759387350914,0.3185253958971939,0.31669104273855264,0.31377565509036953,0.3065222743527689,0.3042951926840069,0.3034925375731316,0.29280765123976393,0.28320310084976325],"twin_dists":[0.0864828266308439,0.14756363961701896,0.1563451238995394,0.16567452675390743,0.17381416757675963,0.17483936796927102,0.17673502295672675,0.1784158887152064,0.17957000415402938,0.18231012160116733,0.18461831291152414,0.18787887163735145,0.1899213314480145,0.19229042429607052,0.19391770142301154,0.1944832076071905,0.1964269315199083,0.19645447664699267,0.19694973420277478,0.19774021054160892,0.19972524583197132,0.20034014417360368,0.2005623964277923,0.20355433244222196,0.20629947820256303],"n_dims_used":45,"mean_confidence":0.9202289157443576},"coverage":{"mean_confidence":0.9202289157443576,"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}}