{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004143},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002886","490:4900004550","490:4900002297","490:4900004130","490:4900003858","490:4900002581","490:4900002296","490:4900001986","490:4900001985","490:4900002298","490:4900001813","490:4900002746","490:4900002595","490:4900004283","490:4900003321","490:4900003446","490:4900004544","490:4900001548","490:4900003179","490:4900003721","490:4900004547","490:4900002142","490:4900004407","490:4900003991","490:4900004282"],"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":[0.704402843792131,0.6779351084372325,0.6649098669959554,0.5809917910002712,0.5769353384068503,0.5668488072519959,0.5552086129716438,0.5338938390442179,0.530081073968602,0.4875521453467564,0.4858436590601055,0.4781014857826258,0.47736101256300145,0.4738583754741456,0.4692217222308497,0.46456548600471753,0.45090531569016273,0.44134646759957175,0.43797201615651793,0.4072471492418299,0.4046203312709973,0.40450801695267663,0.4034246306860224,0.40188541959784746,0.39006343824219525],"twin_dists":[0.10872362093007011,0.11451125768015308,0.11733407549590638,0.13534624686544036,0.13621661755003456,0.13838340412763528,0.14088973980638558,0.14550096380514282,0.1463294545167727,0.15567157492703956,0.15605146789094151,0.15777823411375286,0.15794384867630465,0.15872838689828922,0.15976988896320352,0.16081930931580832,0.16391970460142288,0.16610993343256175,0.166887479156554,0.174083661191935,0.17470953392082852,0.174736334580543,0.17499502570882383,0.17536309627298619,0.17821182845158304],"n_dims_used":45,"mean_confidence":0.9203097873263889},"coverage":{"mean_confidence":0.9203097873263889,"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}}