{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002821},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002818","490:4900002670","490:4900002222","490:4900003505","490:4900002221","490:4900002820","490:4900002970","490:4900003776","490:4900002669","490:4900006198","490:4900004471","490:4900002819","490:4900002520","490:4900002068","490:4900002674","490:4900006320","490:4900002371","490:4900002370","490:4900007288","490:4900007283","490:4900006930","491:4910001964","490:4900002673","491:4910001805","490:4900002521"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,491,490],"twin_sims":[0.6778525763705994,0.6467909533806591,0.5939824527574904,0.4680762878866502,0.41663300224845884,0.3979525965056676,0.3723177805723115,0.3668921712717894,0.3526212598164548,0.3428745875546601,0.3322978392137953,0.29492180112174116,0.2795746741203044,0.22473768330724367,0.22055408995403555,0.21290119081832148,0.21216016519417769,0.2074414024071073,0.20719847318014087,0.1911810128737504,0.17938144657081057,0.17216268323854164,0.16468965537881883,0.14921609520273674,0.1328851567794308],"twin_dists":[0.1145291895895735,0.12124075733921613,0.13256177657558124,0.1600277140669398,0.1718617401643537,0.17630645914624868,0.1825656104053037,0.18391688297488318,0.18752011548859068,0.19002466411874558,0.19278585747592497,0.20295730417588848,0.20735110460301742,0.224410292259265,0.22581825844015782,0.22844085122088634,0.2286981522059301,0.23035109474790583,0.23043688052678474,0.23625269387490513,0.24075806920174395,0.24361874304742323,0.24667213229028656,0.2533291493847282,0.26093268133042846],"n_dims_used":45,"mean_confidence":0.8998686048719619},"coverage":{"mean_confidence":0.8998686048719619,"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}}