Perseus Satoshi Yagisawa Pdf Dow 2021 Site

Perseus Satoshi Yagisawa — PDF Dow (Draft Paper)

2. Background & Related Work

• Content hashing (SHA-family), canonicalization (XML Canonicalization, PDF/A), fuzzy hashing (ssdeep).
• Merkle trees, authenticated data structures, compact proofs.
• Prior work on document provenance and privacy-preserving verification.
• (Mention Satoshi Yagisawa: summarize his relevant contributions if available — assume techniques in tamper-evident identifiers and data provenance.)

Performance Tips for "Perseus"

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8. Evaluation Plan

• Datasets: public PDF corpora, legal filings, academic papers.
• Metrics: false-positive/negative sensitivity to benign edits, fingerprinting time, storage overhead vs naive full-version store, proof size and verification time, ZK proof generation cost.
• Experiments: robustness to metadata-only changes, font/subsetting changes, recompression of embedded images.