{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005073},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005218","490:4900008821","490:4900005074","490:4900009057","490:4900005203","490:4900005611","490:4900005213","490:4900009371","490:4900009474","490:4900005209","490:4900005064","490:4900009372","490:4900005343","490:4900005344","490:4900005345","490:4900008600","490:4900010609","490:4900008818","490:4900005215","490:4900005350","490:4900005337","490:4900005078","490:4900008711","490:4900010863","490:4900003011"],"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":[0.268065537714529,0.24356961611465033,0.21524810028522476,0.20494159415340307,0.12724713472359406,0.12399591362956486,0.11294713909772396,0.109466145810277,0.09454430455841459,0.08621705396937922,0.07924088815856395,0.07416149472922098,0.0721469978625316,0.0678894915859059,0.06434204428353063,0.06380309564950352,0.06325023322682326,0.06164301021283111,0.06061081183407498,0.05758814309397998,0.05640264778589717,0.05133155875613643,0.046087735388619995,0.04550200279276985,0.04517071806572034],"twin_dists":[0.21074301973166196,0.21827821434547937,0.22762992583637248,0.23123715693663188,0.26372031720533495,0.26537058370817324,0.27123784459912864,0.2731776365063027,0.28208109132579146,0.2875414859859789,0.2924491343327097,0.2962453967151246,0.29780928514952953,0.3012345724983227,0.3042248245165712,0.30469083784182444,0.30517224119040504,0.3065915767051027,0.30751920078001804,0.310312446544293,0.31144103392376477,0.31650226219477645,0.32219388914757013,0.3228628000841013,0.32324433109921075],"n_dims_used":45,"mean_confidence":0.9330587599012586},"coverage":{"mean_confidence":0.9330587599012586,"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}}