{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":493,"cluster_id":4930001079},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700002026","481:4810001966","496:4960000165","470:4700002532","470:4700000439","488:4880002160","470:4700001426","481:4810001070","481:4810000962","493:4930002567","470:4700002348","488:4880001684","481:4810001987","470:4700002538","493:4930003427","488:4880005032","493:4930000570","470:4700004167","466:4660010097","493:4930001910","488:4880005775","499:4990001386","470:4700000352","470:4700006678","470:4700001737"],"twin_admin_codes":[470,481,496,470,470,488,470,481,481,493,470,488,481,470,493,488,493,470,466,493,488,499,470,470,470],"twin_sims":[0.4340047909275484,0.41462671102688914,0.40539670559008445,0.40283188722874064,0.380829154657224,0.37211740077328687,0.36431121914938136,0.3621951514091186,0.3611236258560702,0.36110711655264605,0.3563688732704553,0.3523304235048235,0.3495847804464264,0.3419997773436632,0.3415967429144115,0.33688764333447296,0.3250496477853491,0.3116485348042977,0.3092947083759066,0.3090638722668792,0.304937585516064,0.2962943335726843,0.28945810024218205,0.28941009351965996,0.2890732797377848],"twin_dists":[0.1678046433955652,0.17233484698252802,0.17452436485643527,0.17513669308045055,0.18046520733349256,0.1826153413403872,0.18456318755753257,0.18509480466836828,0.18536460356262502,0.1853687636148893,0.1865667622365287,0.18759432049495658,0.188296434573677,0.1902512912944527,0.1903558049785025,0.19158188877339588,0.19470584112510209,0.1983195938298697,0.19896336623178998,0.19902665095407018,0.20016251272071545,0.20257105855095636,0.20450549332869952,0.20451917315411544,0.20461518852186983],"n_dims_used":45,"mean_confidence":0.9232999165852864},"coverage":{"mean_confidence":0.9232999165852864,"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}}