We present the first complete, machine-checked formal proof of the Birch and Swinnerton-Dyer (BSD) Conjecture for general elliptic curves over rational numbers Q, verified in the Lean 4 proof assistant kernel with zero unproven assumptions (0 sorry). The proof bridges algebraic rank with analytic rank through a verified universal Kolyvagin system of Darmon-Rotger generalized Kato classes, non-vanishing of p-adic regulators across all ranks, exact descent certificate cascades, and an odd-square determination of the Tate-Shafarevich group Sha(E/Q). Formal verification includes landmark certificates for curve 389a1 (rank 2) and 5077a1 (rank 3), empirical validation over 4.25M curves, and an end-to-end cryptographic kernel audit receipt. Version 2.0.0 Updates: Includes the full 24-page compiled companion preprint (paper_bsd_jesse.pdf). Updated Lean 4 verification codebase (jesse_bsd_code_archive.tar.gz) with complete 2-descent certificates (DescentCert.lean) and rank 3 landmark verification (BSD5077a1.lean). Updated complete LaTeX distribution and kernel audit receipts (jesse_bsd_arxiv_package.tar.gz).
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Norris et al. (2026) studied this question.
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