{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700001234},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960012321","470:4700001979","470:4700005670","488:4880003465","493:4930001451","488:4880005512","470:4700001235","496:4960006569","466:4660001996","470:4700001373","466:4660002105","488:4880002724","466:4660001689","470:4700005673","470:4700001675","496:4960005503","470:4700001827","470:4700003342","496:4960007621","470:4700007003","466:4660001108","470:4700001829","496:4960012268","496:4960012270","496:4960012509"],"twin_admin_codes":[496,470,470,488,493,488,470,496,466,470,466,488,466,470,470,496,470,470,496,470,466,470,496,496,496],"twin_sims":[0.5840728225709599,0.5007518650237559,0.4381695338871475,0.4369895020965493,0.41792299730900256,0.4120145759865596,0.39919021872200117,0.37764526010309346,0.3727310883283787,0.3685564204842051,0.36418680759006783,0.36062879439981665,0.341771705201571,0.3406390030055697,0.33832443044524635,0.33721447345329886,0.3229242930788136,0.316193295726209,0.3126727865622857,0.30167249172973926,0.2961680634718526,0.29153753779039965,0.28843076611486707,0.2846357680390932,0.28412049886529744],"twin_dists":[0.13468549253379422,0.1527496883881601,0.1668419022276497,0.16711431354218048,0.1715580608144496,0.17295230472855072,0.17600913640713484,0.18124821020755383,0.1824630760209651,0.18350134208120852,0.18459440003502295,0.1854893344199745,0.19031042619336364,0.1906044280567796,0.19120682818134244,0.19149649691801424,0.19527330959046507,0.19708440028971072,0.19804032858538254,0.20106762897944597,0.20260654822341514,0.20391423695732444,0.20479853508595794,0.20588649194753297,0.20603488085680718],"n_dims_used":43,"mean_confidence":0.9129188005314317},"coverage":{"mean_confidence":0.9129188005314317,"n_dims_used":43,"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}}