{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000245},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001082","490:4900000237","490:4900000239","490:4900000426","496:4960007935","490:4900000207","490:4900000285","490:4900000583","490:4900000030","490:4900000163","490:4900000608","496:4960011476","490:4900000394","490:4900000144","490:4900000154","490:4900000246","490:4900000143","490:4900000835","490:4900000138","490:4900002205","496:4960009569","490:4900000607","487:4870003838","490:4900000947","490:4900000580"],"twin_admin_codes":[490,490,490,490,496,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,496,490,487,490,490],"twin_sims":[0.550809136302077,0.40077216764608325,0.38074139699866666,0.3452786210189161,0.3395601849158592,0.33073266784301464,0.32605467472521893,0.31696779067237923,0.28767408716616377,0.28294545958325446,0.2560511274976844,0.24897308176028665,0.23273960658190096,0.22896328567071694,0.218490660412955,0.21037391667128916,0.20729493770733098,0.20019673124160126,0.1963717640855807,0.19441369035187672,0.19410073310351905,0.19274094571618797,0.19098492067867026,0.18923262766008897,0.1876241225398146],"twin_dists":[0.14183898620984983,0.17562970410525902,0.18048674671225404,0.18940345860350094,0.19088493119855057,0.19319849353488266,0.19443821731503735,0.19687491144450783,0.20501477307495222,0.20637388049191133,0.21438168341503125,0.21657601696893228,0.22176501442666544,0.22300577336159347,0.22651927634342953,0.22932089236288197,0.23040280772661528,0.232939568347924,0.2343322794444798,0.23505251234339294,0.23516809268926162,0.23567179503575758,0.23632594966675421,0.2369829123414082,0.237589723805045],"n_dims_used":45,"mean_confidence":0.9150310940212674},"coverage":{"mean_confidence":0.9150310940212674,"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}}