{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009240},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009854","490:4900010067","490:4900009454","490:4900009758","490:4900009564","490:4900009237","490:4900009134","490:4900009439","490:4900009233","490:4900009344","490:4900009653","490:4900010158","490:4900008039","490:4900008020","490:4900009764","490:4900009232","490:4900008922","490:4900007908","490:4900009241","490:4900009460","490:4900009453","490:4900008126","490:4900009133","490:4900009748","490:4900010324"],"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":[0.5883496253459363,0.45647935027932435,0.408756089134339,0.3858495392712394,0.22201465911658347,0.21976574987530706,0.19214574002203583,0.17863425117514253,0.16618017700487783,0.1650618798759421,0.16339492893111948,0.1605504478829054,0.15667882820531934,0.1535972432213611,0.1531119271035475,0.14985091265795494,0.1464479923505667,0.10979871330470886,0.09599285111012212,0.09502918553905215,0.09384387526643705,0.09362360807674187,0.08648790868609836,0.08032524936583628,0.07898154679152077],"twin_dists":[0.13376869269347838,0.16265054936455475,0.17372494753662363,0.17923693558835319,0.22532470241524016,0.22608556368809538,0.23589305395889776,0.24105032697290266,0.24605527455934656,0.24651770933094214,0.24721124270983025,0.24840661492694632,0.25005862919453287,0.25139496952826407,0.25160721387410606,0.25304632553695755,0.2545728735614216,0.2729902697215981,0.2811704099150081,0.2817750374603179,0.28252538944609445,0.2826656502994635,0.2873574307676546,0.2916641689375241,0.29263814710278535],"n_dims_used":45,"mean_confidence":0.8949471367730035},"coverage":{"mean_confidence":0.8949471367730035,"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}}