Chain of Custody

Built for Lara Logan · Award-Winning Journalist · Board Member, America's Future

A reporter's evidence workbench: cryptographic timestamping on every source document and note, provably untampered.

Cases

Items logged

Custody events

SHA-256

Hash · append-only

Cases

Evidence — Operation Clearwater

Computing intake hashes…

Verification console

chain-of-custody · verify.log

# chain-of-custody · verification console

# every custody event is hash-chained: h(n) = SHA-256( h(n-1) + entry ).

# alter any past entry and every later hash breaks. all computed locally —

# no file content ever leaves your device.

# select an item, then run a tamper check or verify the full ledger.

Showcase demo for the America's Future 80th Anniversary Summit. Showcase · best home: Nonprofit / LLC tooling. Seeded with realistic sample data; runs payment-dark (no billing). Not a production system.