{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009247},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009141","490:4900009037","490:4900009648","490:4900009355","490:4900009245","490:4900008590","490:4900009248","490:4900009250","490:4900009249","490:4900008366","490:4900008147","490:4900008364","490:4900008701","490:4900009353","490:4900009144","490:4900008811","490:4900009129","490:4900008475","490:4900009140","490:4900008929","490:4900008478","490:4900009142","490:4900006334","490:4900008476","490:4900006453"],"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":[0.022352830770322758,0.00573628246697423,0.00048444268182967743,0.00035867232245611854,0.000173869098519107,0.0001391529881119039,0.00008913174752652686,0.00003894448122007356,0.00001795314177887991,0.000008966533392547082,0.000007826132827919236,0.000003987087990080479,0.0000020437558208466764,0.0000017689377525446454,0.000001717476153518733,0.0000010629789773257237,7.178911706420066e-7,6.629834609008899e-7,3.514725148502336e-7,2.1790738476889393e-7,9.275474521255058e-8,4.8867005205828306e-8,2.626279292850861e-8,1.7037686226710915e-8,8.559583773641264e-9],"twin_dists":[0.35807704807556834,0.4172567917217895,0.5074258359265512,0.5173212817632189,0.5404154619523588,0.547323097843424,0.5608832383542288,0.585253507021076,0.607161364854291,0.626151597521044,0.6298053545972857,0.6476154401964872,0.6647930166250127,0.6684469998305692,0.6691915685320335,0.6811773917675572,0.6908284591008951,0.6927684791286405,0.708051461814512,0.7193498181824955,0.739105813690761,0.7535891088207944,0.7673617924437416,0.7768153018985288,0.7916212612649901],"n_dims_used":45,"mean_confidence":0.885923088921441},"coverage":{"mean_confidence":0.885923088921441,"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}}