{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001619},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001395","491:4910001331","491:4910001141","491:4910001514","491:4910001136","491:4910001569","491:4910001196","491:4910001501","491:4910001967","491:4910001264","491:4910001330","491:4910001317","491:4910001680","491:4910001252","491:4910001740","491:4910001256","491:4910001248","490:4900003506","491:4910002014","491:4910001454","490:4900004476","491:4910001630","491:4910000994","491:4910001060","491:4910001383"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,490,491,491,491,491],"twin_sims":[0.21637531957170783,0.1719204353627017,0.15889011819237103,0.14486658619040618,0.11720632873831001,0.1126461027214703,0.10879127040611603,0.1050270098433418,0.10327273527542645,0.09451250839903853,0.09142354537917406,0.09016197679373172,0.08882617340108917,0.08881454072496635,0.08415553051062698,0.0840191241308603,0.07784182914148768,0.07294005263931694,0.07013720144729185,0.0697553391246826,0.06787596842345822,0.06552625060876234,0.06204865745182586,0.06143401774662507,0.052772816119940565],"twin_dists":[0.22724255902107218,0.24371621435719476,0.24911148160412078,0.25529122790429704,0.26892609316344895,0.27140376039899355,0.27355921624844615,0.27572189859501123,0.27675042691064317,0.2821012040346489,0.28408109127766457,0.2849049309853451,0.2857872630801218,0.28579499284123355,0.2889576670279839,0.28905234447888434,0.293474752237014,0.29718945814464326,0.29940517036586545,0.2997125738830259,0.301245727093258,0.3032119798239623,0.3062305137701882,0.3067783605216635,0.3150230952341598],"n_dims_used":45,"mean_confidence":0.8954850090874567},"coverage":{"mean_confidence":0.8954850090874567,"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}}