{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011035},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011034","490:4900010702","490:4900011864","490:4900011799","490:4900010444","490:4900011530","490:4900011119","490:4900011922","490:4900012122","490:4900011529","490:4900011595","490:4900010709","490:4900012137","490:4900011789","490:4900011731","490:4900011792","490:4900011724","490:4900011989","490:4900010531","490:4900011112","490:4900011723","490:4900011664","490:4900011118","490:4900011730","490:4900012188"],"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":[0.5629215591201037,0.5298293109233391,0.5195026732905887,0.5040412343857379,0.4995331020272479,0.49014770166389177,0.44210188463414574,0.42818089851006025,0.41258529188077164,0.40190077527877494,0.40106211024501864,0.39381095240080566,0.3799782924005346,0.3698137659558479,0.3670531340159691,0.3649982782810328,0.35336200502871334,0.34359683113571654,0.3299085817618833,0.3239611325164591,0.30722524064115003,0.302094566886263,0.298441435878622,0.29783574994201584,0.28113414726908903],"twin_dists":[0.13922823528982128,0.14638420494725596,0.1486349048041152,0.1520249748503155,0.15301853901961088,0.15509520804146254,0.16593618736358554,0.16915717099071348,0.17281725375964707,0.1753594211441329,0.17556023478548954,0.17730453410523328,0.18067414539140847,0.18318802053494065,0.18387665156330038,0.18439091435947863,0.1873312627975179,0.18983779277795262,0.19341618252506937,0.1949962153128608,0.1995316927224597,0.2009503061031441,0.20196894725746842,0.20213854115905472,0.20689811564433677],"n_dims_used":45,"mean_confidence":0.9164602491590712},"coverage":{"mean_confidence":0.9164602491590712,"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}}