{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009728},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010316","490:4900011306","490:4900008992","490:4900010739","490:4900010821","490:4900011567","490:4900010570","490:4900009453","490:4900010823","490:4900008898","490:4900010400","490:4900009425","490:4900010219","490:4900010030","490:4900011956","490:4900009434","490:4900009523","490:4900009640","490:4900010735","490:4900009420","490:4900009746","490:4900010136","490:4900009538","490:4900010414","490:4900009454"],"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":[0.15633065240685487,0.15480894857001176,0.1426759899621961,0.11016819859156167,0.08122762759822534,0.06323917051092741,0.05609239177659877,0.054092801983435405,0.05340083868002392,0.049074977771000644,0.04799679900944441,0.04791744603399919,0.04592432983476962,0.04451887697268214,0.03837978843432351,0.03608768500559194,0.03530610323002753,0.031992172904233944,0.029333681851128897,0.02897280924652031,0.02617881064439196,0.024724995083085965,0.02385266995269473,0.0226259902425561,0.021977629929891634],"twin_dists":[0.2502086483976957,0.2508671889607305,0.2562959746080018,0.27278261781354596,0.2910173915322983,0.30518190911816434,0.31173962831489965,0.3136975231587256,0.3143890268142899,0.31888913035291316,0.32006201603217277,0.32014920561577376,0.32237977982683164,0.3240019406574021,0.3316366992983189,0.3347540347074809,0.3358554961785148,0.3407696683578104,0.3450371313154414,0.34564173956234734,0.3505555142349139,0.35329396585612455,0.3550046888901433,0.35750443385782565,0.3588735565055535],"n_dims_used":45,"mean_confidence":0.8857293023003472},"coverage":{"mean_confidence":0.8857293023003472,"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}}