{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009491},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008084","490:4900009693","490:4900009394","490:4900008969","490:4900008305","490:4900007851","490:4900009801","490:4900009592","490:4900009077","490:4900010284","490:4900009387","490:4900009386","490:4900007963","490:4900007962","490:4900008067","490:4900008980","490:4900009304","490:4900007858","490:4900008624","490:4900009698","490:4900010006","490:4900009596","490:4900009191","490:4900011135","490:4900010378"],"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":[0.6396614784397505,0.592905707677336,0.5524476753602007,0.503379112764537,0.46803258678229803,0.44539555798987984,0.44348858805910607,0.4264088197215982,0.4225850665468274,0.4225154705800261,0.4022814152134126,0.3928949861585528,0.3924504783802616,0.3844948717235317,0.38032832062567373,0.37064833433170474,0.357757322108391,0.3550035321166368,0.3396096473653226,0.33112054406086017,0.3243314685149567,0.31695182998929294,0.31516983182006963,0.31460387339968,0.3144639664217698],"twin_dists":[0.12277311950093812,0.13279244327567438,0.14148531120913152,0.15217074939457584,0.16003755497519198,0.1651799768494868,0.16561754407834858,0.1695702026813242,0.1704638650633066,0.17048016178664707,0.17526834150217144,0.17752592208124846,0.17763344550406895,0.17956760801942867,0.1805881650120163,0.18298034461834237,0.1862148708458637,0.18691348690633927,0.19087206003177026,0.1930961358311456,0.19489736307326397,0.19687922564013427,0.19736167722085124,0.19751522589493004,0.19755320784448793],"n_dims_used":45,"mean_confidence":0.9212926228841146},"coverage":{"mean_confidence":0.9212926228841146,"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}}