1# Data audit (P1)2| file | sha256 | rows | cols |3|---|---|---|---|4| data/series.csv | c29dde22e215b14fe04d1786c9e9634c18863c78d1c283636e9cbfb31dabc514 | 400 (+header) | 3 (month str YYYY-MM, x float, y float) |5| data/memo.md | 0486b6a6e26671a53d02e9cf0ceee063479ea0a05bd07aadf76aa71e9d2a0568 | text | – |67series.csv: months 1990-01..2023-04, 400 consecutive months, 0 gaps, 0 duplicate months, 0 missing values.8x: mean -0.134, sd 1.005, range [-2.694, 2.362], lag-1 autocorr 0.662. y: mean 2.079, sd 0.904, range [0.0036, 4.812], lag-1 autocorr 0.624. Dimensionless (synthetic).9No anomalies detected; no information-availability violations (memo is used only as a claim to check). No exclusions applied.10