Kathy's Song

Recording by Eva Cassidy.

Recording identifiers

ISRC
USA440073001
CopyrightID (CopyrightChains transaction hash)
0x3942c0a570998c9558a947e717cae9a5371fb6ae51d31c2c95a0381032a3c2ee
Copyright registration time
2026-06-04T10:46:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:87f5f3e538cd057f6d03e497cfbee892aa9f5dd9b0004b67e5ebc55b0d397035

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.