{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006719},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007578","490:4900006597","490:4900007086","490:4900006243","490:4900006720","490:4900008260","490:4900008059","490:4900008372","490:4900006598","490:4900007087","490:4900008058","490:4900006718","490:4900006600","494:4940008984","490:4900005864","487:4870003089","490:4900007929","490:4900007221","490:4900008150","490:4900006837","490:4900006245","490:4900009917","490:4900006356","490:4900005597","490:4900006118"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,487,490,490,490,490,490,490,490,490,490],"twin_sims":[0.023682123812314354,0.002925395398939375,0.002521292577624269,0.002044991831473031,0.0012845041024219712,0.0012425156488179356,0.000820870007573632,0.000633679317615204,0.00028270581751281906,0.00022541475662572906,0.00019110224075686297,0.00016749255398416474,0.00011805438971265786,0.000051885623621964854,0.00004352030380989207,0.00004053390601359622,0.0000234747038475331,0.000017990388754128304,0.000009514971941566356,0.000006363709505148679,0.000003315099891979546,0.0000018240784580404755,0.00000178747603894659,0.0000011240985873724696,0.0000010084548692952029],"twin_dists":[0.35534546359505065,0.4436435544929575,0.44925999659378935,0.45705345295502203,0.4739042467828981,0.4750856748914779,0.48958188591060003,0.49841921482807144,0.5250240592893259,0.5322499401312885,0.5374576618464335,0.5415804011781137,0.5523672063829751,0.576925476692784,0.5820430011971095,0.5840994935135229,0.5996654620949248,0.6071037857923502,0.6245502999850212,0.6353212243197425,0.6524050107047816,0.6676719854006203,0.6681838776684094,0.6797916288743129,0.6824800192524674],"n_dims_used":45,"mean_confidence":0.9319213019476996},"coverage":{"mean_confidence":0.9319213019476996,"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}}