{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003202},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001573","490:4900002763","490:4900002161","490:4900002469","490:4900002762","490:4900003475","490:4900003227","490:4900004445","490:4900002004","490:4900002459","490:4900002176","490:4900004171","490:4900003076","490:4900002614","490:4900003893","490:4900002793","490:4900004437","490:4900002483","490:4900002617","490:4900004184","490:4900002464","490:4900003898","490:4900001567","490:4900000902","490:4900001167"],"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":[0.8488646165755999,0.818384778552136,0.8095251489066112,0.7985002210075104,0.7847556618613399,0.7122029213539918,0.7020808860428545,0.649349259860708,0.6293474252239433,0.5982381663473602,0.5819076331137023,0.5768231873451827,0.5727938472408695,0.5632204548503424,0.5593480235144737,0.5442894298941104,0.5398588417690302,0.5361110374903137,0.5213767896346058,0.5158987206250836,0.4907999257273003,0.4801275436587809,0.4777996924983211,0.4747388459390842,0.4731915632536632],"twin_dists":[0.0743480265464895,0.08222658594543412,0.08442989270218951,0.08712633335647584,0.09042526794575297,0.10700150950232719,0.10923466023541711,0.12069030820210813,0.12498647646467255,0.13165024289276456,0.13514980896171705,0.13624068874731524,0.13710580940718337,0.1391639106645582,0.1399976392423463,0.14324798388127571,0.1442071916033872,0.14501973675543098,0.14822568964973884,0.1494228198408415,0.15495051988183345,0.15732550617546065,0.15784572331862784,0.15853099638484172,0.15887795853805203],"n_dims_used":45,"mean_confidence":0.9174276563856337},"coverage":{"mean_confidence":0.9174276563856337,"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}}