{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000491},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000325","490:4900000231","490:4900000601","496:4960008589","490:4900000505","490:4900000342","490:4900000337","490:4900000825","490:4900000414","490:4900000933","490:4900000156","490:4900000234","490:4900000227","490:4900000490","490:4900000575","490:4900000296","490:4900000182","490:4900000418","490:4900000506","490:4900000436","490:4900000415","490:4900000031","490:4900000403","490:4900000935","490:4900000095"],"twin_admin_codes":[490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6574409176006081,0.6451514529939153,0.47683118431174887,0.47616308077095804,0.47051679768735266,0.43997411437334033,0.43910894812945545,0.4233625058949272,0.41138713241606495,0.4078225425762359,0.3936799011410355,0.38779697748287234,0.383955125971914,0.3816459710633531,0.3696059176299439,0.3648318913829301,0.3625307598218406,0.34973316800540316,0.3218285725298827,0.3192606491461113,0.31610723739767693,0.30530478456448157,0.29968145690659803,0.2928348133985205,0.28961812686673094],"twin_dists":[0.118946934205073,0.12159334459484775,0.1580624013374778,0.1582119550713203,0.15947863818113675,0.16642587125194003,0.16662524436258827,0.17028189480372966,0.17310087360359147,0.1739468062221248,0.17733619438578635,0.1787625326918272,0.17969951382156246,0.18026484120745703,0.18323977821537363,0.18443261919185264,0.18501038539900458,0.18825841543618185,0.1955666795456475,0.19625641660466084,0.19710769563398747,0.20006107388744554,0.2016223659621209,0.20354664578947967,0.20445990248376564],"n_dims_used":45,"mean_confidence":0.9167076110839844},"coverage":{"mean_confidence":0.9167076110839844,"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}}