{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011900},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011175","490:4900011005","490:4900010929","490:4900011158","490:4900011234","490:4900010580","490:4900011089","490:4900011391","490:4900010426","490:4900010424","490:4900010677","490:4900011232","490:4900011011","490:4900011006","490:4900011581","490:4900011167","490:4900011009","490:4900010672","490:4900011155","490:4900010759","490:4900012118","490:4900011021","490:4900011020","490:4900011247","490:4900010927"],"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":[0.5046714843314152,0.4765715034674658,0.36647356133651404,0.35723672614789004,0.3219709383038645,0.3138168218427213,0.3040174566389393,0.26796561944479785,0.2669431303745626,0.2532050809400219,0.2528154070975287,0.2499948077078363,0.24094360105485896,0.24081623984845352,0.2359403930050121,0.23537872575703933,0.2320423269604504,0.23140288748859242,0.22573893625797903,0.22186106537878172,0.21573068782297292,0.21504107166996542,0.2040067451889597,0.2032329077318586,0.19913688383768074],"twin_dists":[0.15188626532119903,0.15812052230375478,0.1840215527983132,0.1863467293174407,0.19552853081037724,0.19772901967127954,0.20041700973963833,0.21077285628293618,0.2110785789600641,0.21525931482119978,0.21537996480890476,0.21625682650524233,0.21911426426439848,0.21915496228485834,0.22072367445890886,0.22090573421066753,0.2219931113488854,0.22220268397484966,0.22407591952488815,0.22537650257472938,0.22746391856516412,0.22770121939931115,0.23157041524571623,0.23184706830731117,0.23332361594185794],"n_dims_used":45,"mean_confidence":0.8912662082248264},"coverage":{"mean_confidence":0.8912662082248264,"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}}