{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011870},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011272","490:4900012190","490:4900011805","490:4900012188","490:4900011869","490:4900011741","490:4900011547","490:4900011201","490:4900011809","490:4900011544","490:4900011789","490:4900012191","490:4900011920","490:4900010709","490:4900011806","490:4900011804","490:4900011408","490:4900008501","490:4900011984","490:4900011027","490:4900011613","490:4900009062","490:4900011864","490:4900011253","490:4900011034"],"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":[0.6396684538877141,0.5820985468937895,0.5299793770294593,0.5292462736929431,0.46655667067717776,0.45751525871181736,0.4483288741949483,0.42943446634846244,0.40398168578054056,0.38647874619966205,0.38184401830025166,0.37976632486200196,0.3495396936077107,0.3440148755345795,0.3434294674256254,0.32697603110440177,0.3093746415195765,0.28227728718072226,0.2652563149761452,0.262382608309623,0.2526392773039021,0.25181087656888834,0.24940634825190358,0.24663603866683817,0.24441055001827508],"twin_dists":[0.12277162131198993,0.13510886309771475,0.14635156969117152,0.14651101823740442,0.16037009662935622,0.16241530769799667,0.16450829905551992,0.16886541649346173,0.17486197316142663,0.179083534756129,0.18021629105529702,0.1807262313688689,0.18830798817954492,0.18972972459614365,0.18988107738161195,0.19419327488266191,0.19894145853237075,0.2065670278979193,0.21158452934960278,0.21245112242683847,0.21543453657238582,0.21569153236095176,0.21644056096392367,0.21730928608501085,0.2180117171675544],"n_dims_used":45,"mean_confidence":0.9164265950520833},"coverage":{"mean_confidence":0.9164265950520833,"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}}