{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003633},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003371","490:4900003113","491:4910002012","490:4900003503","490:4900004333","490:4900003925","490:4900006310","490:4900003370","490:4900005684","490:4900007293","490:4900003237","491:4910002020","490:4900003636","490:4900004196","490:4900006668","490:4900006311","490:4900006440","490:4900005956","490:4900005291","490:4900006074","490:4900006075","490:4900003109","490:4900005686","491:4910002365","490:4900005028"],"twin_admin_codes":[490,490,491,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,491,490],"twin_sims":[0.6994386872582603,0.6557925257917459,0.6025717131655812,0.5194426697575499,0.49812562259703924,0.4915403468012737,0.48642295362180243,0.4728538879018464,0.46512367270037486,0.4644436354675089,0.44466984226188333,0.4146464913697952,0.4133587813514812,0.3945306411133422,0.37609584757267733,0.372823916259552,0.35924257022511025,0.3519088415391127,0.3221255680021065,0.32203625922701234,0.2848311534677777,0.28442858092555834,0.27773337966146777,0.27551157926115827,0.2726895715028611],"twin_dists":[0.10981533275776066,0.11930239747710877,0.13072221599455136,0.14864801236404265,0.15332924762129427,0.1547863355525486,0.1559226122899012,0.158953728639354,0.16069331486439675,0.1608468205340647,0.1653464124613364,0.17233017773762788,0.17263434927115182,0.17713075358186411,0.18163041116854126,0.18244005476158315,0.18583922193125513,0.18770194106449836,0.19548710647673653,0.19551103038597686,0.2058302665123546,0.20594613890697155,0.20788793736282737,0.2085386049764867,0.20936969636491254],"n_dims_used":44,"mean_confidence":0.8953977064652876},"coverage":{"mean_confidence":0.8953977064652876,"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}}