{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001926},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001107","490:4900002680","490:4900001108","490:4900001636","490:4900001233","490:4900002692","490:4900002399","490:4900002681","490:4900004215","490:4900003249","490:4900004489","490:4900002082","490:4900002248","490:4900001495","490:4900001367","490:4900002398","490:4900004491","490:4900001634","490:4900001242","490:4900001639","490:4900001234","490:4900003941","490:4900002546","490:4900002694","490:4900002834"],"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":[0.669119202340854,0.6431770331925173,0.6423375300352383,0.6417164965490869,0.5772548383754054,0.5028525572403197,0.4637116924998152,0.44402650075435596,0.4408485552803677,0.42750761472900306,0.3641404406642449,0.36256334883569963,0.3545841160085518,0.34998541296354047,0.32268898620938585,0.2970392756760421,0.28595291493411906,0.27162011060900537,0.252774705773864,0.25092311598930367,0.22548269645022587,0.19421784264661457,0.18858043858152176,0.18170677837005203,0.16856338440530488],"twin_dists":[0.11642334063729534,0.12201779189367457,0.12219820951885152,0.12233165612376262,0.13614804498728963,0.1522867144898414,0.16101213039583512,0.16549404338204296,0.1662245165503602,0.1693140152113218,0.18460603398590256,0.18500219003888915,0.18702013479871973,0.1881938058549839,0.19533626411824756,0.20236186495078132,0.20550790892241463,0.20968603723473445,0.21539257348929236,0.21596754239130683,0.22416139792935766,0.23512482702491233,0.23722851476520837,0.2398540230579444,0.24507721350819264],"n_dims_used":44,"mean_confidence":0.913212776184082},"coverage":{"mean_confidence":0.913212776184082,"n_dims_used":44,"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}}