{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011023},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010944","490:4900011045","490:4900010694","490:4900011258","490:4900010703","490:4900011808","490:4900010864","490:4900009373","490:4900011184","490:4900009681","490:4900011256","490:4900011797","490:4900010190","490:4900011869","490:4900011411","490:4900012121","490:4900010696","490:4900011741","490:4900010697","490:4900011474","490:4900010884","490:4900011923","490:4900009370","490:4900010528","490:4900011126"],"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":[0.16155521888971583,0.14832828885267,0.1281993132929203,0.12273955160899491,0.09917228753460629,0.08612699573595803,0.08006845973177924,0.07080667776462901,0.06704706610190375,0.058472627913749894,0.05574207994776561,0.05234347827866692,0.05196479315400834,0.0510327166508318,0.04804074742335376,0.045013655560855986,0.044876045795279214,0.04409919816397689,0.04393441980268945,0.04377951910384248,0.04372877639734304,0.04317155561464354,0.04290877948140116,0.04060903520341304,0.04051355798151664],"twin_dists":[0.24798262507434324,0.253726176449571,0.26324306516760004,0.26601710550173524,0.27920880296234346,0.2876027856443841,0.29184928637827917,0.2988694978883205,0.30193292912975705,0.30948283888055766,0.3120784180796937,0.31546017998385933,0.31584817625427786,0.31681327777359947,0.3200137792354966,0.32342603589440705,0.3235856734980482,0.32449465812127387,0.3246891905967309,0.32487262146149876,0.3249328287107671,0.3255978747435282,0.32591400689065764,0.32875256470307146,0.3288733146469157],"n_dims_used":45,"mean_confidence":0.9181287977430556},"coverage":{"mean_confidence":0.9181287977430556,"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}}