{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006582},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007083","490:4900007084","490:4900005719","490:4900005976","490:4900007562","490:4900006830","490:4900007078","490:4900007328","490:4900005845","490:4900007197","490:4900007570","490:4900007203","490:4900005849","490:4900006833","490:4900005587","490:4900007689","490:4900007200","490:4900006949","490:4900007319","490:4900007804","490:4900005717","490:4900006466","490:4900006951","490:4900005590","490:4900006832"],"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":[0.010285840343941541,0.005250250041417063,0.001895850313785551,0.001347328738782869,0.0011819159250274125,0.0006041167869404308,0.0005665859042419773,0.000403637703966901,0.0003150388594553295,0.00016669719659886392,0.00012727983817392724,0.00010518863703368317,0.00010427110649581749,0.00008319951935316674,0.00007728745543425453,0.0000764983250176592,0.00006374731146898867,0.000051400380893695005,0.00004784474916488786,0.000025568990230267243,0.000020881646734159426,0.00001808429195167304,0.000018054058298907108,0.000010665032972097345,0.000008635806575334264],"twin_dists":[0.39294221231029525,0.42082057861161076,0.45983961250603256,0.4722016094732908,0.47685760991297205,0.5000334072873498,0.5021923103885483,0.5134558858150928,0.52153346370008,0.5417286275002194,0.5500647571761436,0.5558796549868715,0.5561454310335041,0.5629506689974852,0.5651548834571422,0.5654611002311598,0.5708743424082912,0.5772001240108249,0.5792911470095296,0.5972568947931792,0.6029489319513258,0.6069591268261589,0.6070056237269763,0.6214610279428512,0.6271631714911602],"n_dims_used":45,"mean_confidence":0.9242323133680556},"coverage":{"mean_confidence":0.9242323133680556,"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}}