{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000002939},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000004664","500:5000004490","500:5000003961","499:4990000560","477:4770003782","500:5000003228","500:5000004136","477:4770001952","477:4770004003","500:5000003227","499:4990000423","477:4770003851","477:4770003826","477:4770003810","477:4770003850","485:4850008037","500:5000004307","500:5000004838","499:4990000481","500:5000002513","500:5000003400","477:4770001716","499:4990004009","499:4990000784","499:4990001355"],"twin_admin_codes":[500,500,500,499,477,500,500,477,477,500,499,477,477,477,477,485,500,500,499,500,500,477,499,499,499],"twin_sims":[0.7174126135499646,0.70590455250467,0.575117813232023,0.5558646911378978,0.549978799278302,0.5327319078589698,0.5066951962475571,0.49967891872137404,0.4750759000491084,0.4734954654766711,0.4604218634879481,0.4556736777167757,0.45455210500499105,0.45350615364110813,0.44390824812912355,0.439366846670479,0.4342311595224493,0.432603072527188,0.4299130779856188,0.4238049586382066,0.4213190166485743,0.4203453357211646,0.41898259792425274,0.412710969103193,0.40359041192099554],"twin_dists":[0.10584637361478523,0.10839272819123866,0.13660677002429394,0.14074828121726435,0.1420182772126546,0.145753314141288,0.15144118684428423,0.1529863632531911,0.1584554649547389,0.15880978203946922,0.1617562745736733,0.16283364111109214,0.16308871855049195,0.16332680509335554,0.1655211883570723,0.16656579688031792,0.1677522206241201,0.16812950027214466,0.16875411664391987,0.17017839515348387,0.17076050232715034,0.17098889273094345,0.1713089182185957,0.17278752514687828,0.17495542026549646],"n_dims_used":45,"mean_confidence":0.9238644070095486},"coverage":{"mean_confidence":0.9238644070095486,"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}}