{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005517},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006766","490:4900006170","490:4900004975","490:4900007641","490:4900005117","490:4900007517","490:4900005118","490:4900007506","490:4900004852","490:4900004979","490:4900005666","490:4900005254","490:4900005916","490:4900006173","490:4900004725","490:4900007395","490:4900008762","490:4900006174","490:4900006176","490:4900005253","490:4900006165","490:4900008761","490:4900005278","490:4900006532","490:4900005252"],"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":[0.8692800312005815,0.7365600098437125,0.7333160553883616,0.7011788621510072,0.6572758993976016,0.6483457096779258,0.6455900511793445,0.6223763264009167,0.6123467815218668,0.6100276344951079,0.6096565009497265,0.5896372583587596,0.5867733735578141,0.5864799827150027,0.5493325192489492,0.5395067454565942,0.5177049499630385,0.5113184691178554,0.50461258086665,0.4980504056228483,0.48617514837558584,0.4840970011349601,0.47656445147095355,0.45725920469903014,0.4491024664356274],"twin_dists":[0.06874519529134325,0.10156227533609044,0.10229270950874794,0.1094329969725846,0.11898252675480103,0.1209062732443611,0.12149903325517485,0.12648072750541406,0.12862906131088037,0.12912568286870285,0.1292051548938495,0.1334927472669718,0.13410653781523085,0.13416942768212764,0.14215785624053032,0.1442834818169403,0.1490277675934502,0.15042612969552968,0.15189922720365348,0.15334585912438367,0.15597772717727715,0.15644027330376514,0.15812210080349998,0.16247343639439338,0.16433143712023207],"n_dims_used":45,"mean_confidence":0.9100096808539496},"coverage":{"mean_confidence":0.9100096808539496,"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}}