{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009760},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009435","490:4900011907","490:4900011568","490:4900009036","490:4900008460","490:4900008994","490:4900009339","490:4900009326","490:4900008883","490:4900009559","490:4900009967","490:4900009455","490:4900009645","490:4900009138","490:4900009665","490:4900008991","490:4900010226","490:4900011781","490:4900010592","490:4900009548","490:4900009558","490:4900011847","490:4900008889","490:4900009003","490:4900009224"],"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":[0.018703236033111015,0.017731404850223457,0.0018565607756287246,0.0017239973943106116,0.0014720455126395545,0.0008103238556030895,0.0006579846333474936,0.0005684856253805164,0.0005062913744356226,0.00039967034352292877,0.0003220826731766751,0.0002925370099939218,0.00028866793294503995,0.0001877852425414174,0.00018258722002413564,0.0001496055279763251,0.00013130778330145112,0.0001284169627955511,0.00012479469442616448,0.00012069860687638201,0.00010928230630736404,0.00010231951028064321,0.00007731367867248834,0.00007662907061376364,0.00007057220506059885],"twin_dists":[0.36637768827276596,0.36882607111796323,0.4606071355091001,0.4633119974981424,0.46902862850953364,0.4900271825159993,0.4971438280462742,0.5020798697556605,0.5059573399009566,0.5137802705873187,0.5208178200000828,0.5239246720358278,0.5243531374642043,0.538006896152047,0.538886248758519,0.5450864427152515,0.5491085489988322,0.549791949109343,0.5506690702435929,0.5516903726328592,0.5547199508415884,0.5567181717245699,0.5651447586270787,0.5654101590752136,0.5678612272761748],"n_dims_used":45,"mean_confidence":0.8929442511664496},"coverage":{"mean_confidence":0.8929442511664496,"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}}