{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010165},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010164","490:4900009334","490:4900010045","490:4900010342","490:4900010066","490:4900010341","490:4900011021","490:4900010143","490:4900009960","490:4900011900","490:4900010044","490:4900010328","490:4900010672","490:4900011005","490:4900009943","490:4900011088","490:4900011175","490:4900009864","490:4900011516","490:4900010927","490:4900010776","490:4900011096","490:4900010495","490:4900010580","490:4900010252"],"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":[0.31238443743582495,0.29655047379216243,0.26252804315356243,0.23157541266570697,0.22046206961554105,0.20492735946037152,0.16854439893372672,0.14031839521783426,0.1296567489062076,0.12955252829157404,0.12216245564404621,0.1128295835157598,0.09686953808509242,0.08893590540406854,0.08468270506635299,0.08264317473202751,0.08164527640013744,0.07928544061055255,0.07646118935460212,0.07526092245482642,0.07507329544666208,0.07501435829653197,0.07332760678198397,0.06961545444137479,0.0679001231025583],"twin_dists":[0.19811889497634982,0.20249909472851854,0.21240712302958634,0.22214610233223223,0.22584942709022707,0.2312422235573215,0.24508496562834017,0.25739021106529913,0.26251773433724507,0.26256939731338413,0.2663157681378988,0.2713025945882117,0.28062448879611684,0.28571438709538227,0.28859291080668836,0.2900142980207839,0.2907199894094347,0.2924167136884144,0.2945015039777969,0.29540632261200495,0.29554881475156414,0.29559363349987267,0.29688853935688403,0.2998255247150144,0.3012258043504972],"n_dims_used":45,"mean_confidence":0.8953741285536024},"coverage":{"mean_confidence":0.8953741285536024,"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}}