{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006448},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005967","490:4900005321","490:4900006458","490:4900006703","490:4900007187","490:4900006460","490:4900005448","490:4900004900","490:4900005437","490:4900005040","490:4900005838","490:4900005177","490:4900004901","490:4900005579","490:4900006942","490:4900005314","490:4900006812","490:4900006085","490:4900007665","490:4900006814","490:4900005960","490:4900006702","490:4900005307","490:4900005042","490:4900007554"],"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":[0.2145473984742731,0.18107920731963967,0.11525053106140787,0.09894250738204785,0.076443611968848,0.0743650385805042,0.07052746241458417,0.06757005047517578,0.06703738246289319,0.05425244335948158,0.05292848006017083,0.05288696299236147,0.038524661268979334,0.036655546753744245,0.03615167895167162,0.03495787461243264,0.03108380057788863,0.03030852664026601,0.028114137117803174,0.026516206106501745,0.02573340961126266,0.024903144931903032,0.024672764087660178,0.024561151324645276,0.023824407846835812],"twin_dists":[0.22787141063089753,0.24009720057120976,0.2699794774070741,0.2793489020914065,0.2945146717900243,0.29608929965416475,0.29909240654837055,0.3014985486149055,0.30194099816451775,0.31353902937116845,0.31486535152040773,0.3149073855928609,0.33144501937286774,0.3339664052847217,0.3346647504524323,0.336352934237991,0.34219245907051127,0.3434352083624347,0.3471067994387297,0.34993880750258904,0.3513802267796592,0.35295103100413844,0.35339491453551514,0.35361125348133127,0.35506101426463554],"n_dims_used":45,"mean_confidence":0.9113366021050348},"coverage":{"mean_confidence":0.9113366021050348,"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}}