{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002136},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002227","499:4990002576","499:4990002156","485:4850000221","500:5000003436","499:4990002220","499:4990002488","499:4990001807","499:4990002135","499:4990001095","499:4990002649","499:4990002727","499:4990001898","499:4990002147","499:4990001712","499:4990003331","499:4990002226","481:4810003728","470:4700001772","485:4850001127","499:4990002653","477:4770003856","485:4850000687","485:4850000220","473:4730000706"],"twin_admin_codes":[499,499,499,485,500,499,499,499,499,499,499,499,499,499,499,499,499,481,470,485,499,477,485,485,473],"twin_sims":[0.5617154346563464,0.44917976511115587,0.433489502305317,0.429308200284533,0.390132664696818,0.3880159982309813,0.3728819300147471,0.3718622628510236,0.3620625063736172,0.35938628636053066,0.3589432206496846,0.35866237872331375,0.3324570980916255,0.3323577312722788,0.32771866724763615,0.3156266844892356,0.31506296737090755,0.3112611942061504,0.30819533726340986,0.3063243561007453,0.306253598112103,0.303297714344073,0.2975287518253127,0.2962979000124305,0.29255077014750125],"twin_dists":[0.13948784777904494,0.1643137710633854,0.16792401560867837,0.1688947877691171,0.17819503152037328,0.17870924901946333,0.1824256688280981,0.18267868148995897,0.18512818127757158,0.18580291549529912,0.18591486929365653,0.18598586903878714,0.19274393066481402,0.19277008888559596,0.19399612275960954,0.19723784373842296,0.19739065834515587,0.1984253399044229,0.19926500718379855,0.1997797863788954,0.19979929017116516,0.20061639370685655,0.2022245788919047,0.20257005629118152,0.20362704845695423],"n_dims_used":44,"mean_confidence":0.9277586503462358},"coverage":{"mean_confidence":0.9277586503462358,"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}}