{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005158},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005159","490:4900005023","490:4900006686","490:4900004891","490:4900011688","490:4900005945","490:4900005161","490:4900004345","490:4900004616","491:4910001913","490:4900006802","490:4900006065","490:4900007648","490:4900005188","490:4900006201","490:4900004881","490:4900006787","490:4900005567","490:4900005562","490:4900004879","490:4900005696","490:4900007050","490:4900005822","490:4900007172","490:4900004887"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.05034976497516678,0.029950527560390107,0.025862393051856496,0.01862039192449011,0.017748777414601506,0.017475309835708858,0.01582987735122202,0.013405071113640962,0.012443361482929695,0.010259563062638968,0.00875256982175355,0.008154251992066782,0.007746460620166779,0.007488194930722316,0.007284828449112276,0.006911669536576078,0.004252842880306155,0.003741983010704079,0.003456783027440425,0.003262503665279636,0.0031090933152572676,0.002798073803587279,0.0024450993034416967,0.0023894433825768866,0.002223772981302348],"twin_dists":[0.3175297792992116,0.34401828959964237,0.3511401394431738,0.3665820060151538,0.3687812832316007,0.36949080554378266,0.37397791732398916,0.38140323639288204,0.3846814794557354,0.3930520001727287,0.39981130232041967,0.40278749161914923,0.4049302083975297,0.4063402039078985,0.4074815459548688,0.40965238230066214,0.42918232785818283,0.4341826520742227,0.4372516165420461,0.43947731799182677,0.44132199791483767,0.44533217537228764,0.45041062177482916,0.45127206986156354,0.45394988449390167],"n_dims_used":45,"mean_confidence":0.8891980489095052},"coverage":{"mean_confidence":0.8891980489095052,"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}}