{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000395},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000619","500:5000000237","485:4850006915","500:5000003794","485:4850008883","485:4850003496","500:5000000501","485:4850007482","477:4770003858","499:4990001470","500:5000003621","500:5000000504","485:4850006699","485:4850006529","500:5000000290","485:4850006265","485:4850006170","500:5000001099","485:4850008603","485:4850008284","485:4850003369","500:5000000129","485:4850007912","500:5000000516","485:4850007845"],"twin_admin_codes":[500,500,485,500,485,485,500,485,477,499,500,500,485,485,500,485,485,500,485,485,485,500,485,500,485],"twin_sims":[0.305799742569413,0.19384292105767276,0.13305037520271668,0.11034447511338094,0.09852291938278102,0.09832890676943046,0.08574084633363484,0.0841975462413848,0.08118660976772996,0.0804850366089217,0.07739919593035507,0.07057353725431505,0.06061580515237055,0.05490811434983117,0.053387300903529784,0.053099494908700876,0.04296624692475838,0.04209310396258873,0.04205846985160122,0.040067517672483705,0.03691955324591827,0.03570892435490278,0.035410730500954474,0.03413639140583623,0.03275944405943972],"twin_dists":[0.19992445323574054,0.23526340432191623,0.2608523475452131,0.2726837395743831,0.2796053883091673,0.2797242742476022,0.28786620472579716,0.28892852926304485,0.29104666576356475,0.29154921903137637,0.2938023216238928,0.2990555739123929,0.30751468222154593,0.31289209563139486,0.3144026295178867,0.31469249499769014,0.3258447319953267,0.326905789703083,0.32694825837627745,0.3294406242251411,0.33360374801983644,0.3352852521954912,0.3357068534219681,0.3375433311196906,0.33959454135691997],"n_dims_used":45,"mean_confidence":0.9208479987250434},"coverage":{"mean_confidence":0.9208479987250434,"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}}