Red Letter Year

Recording by Ani DiFranco.

Recording identifiers

ISRC
USRB40800022
CopyrightID (CopyrightChains transaction hash)
0x5b61cd984dbe002cc83faf7526648c834ab305153a8057afd7b86144608eed33
Copyright registration time
2026-06-26T16:59:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:168a7868dbdffef4780cc9570140fb40f8a6e4bd212b8aaa47c2694707f32757

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.