What Have They Done To My Song Ma

Recording by Raymond Lefèvre.

Recording identifiers

ISRC
USV112200013
CopyrightID (CopyrightChains transaction hash)
0x37c979181e2cdc7682d1e318da4d577104350bc8e64136991d22bb0f7d115720
Copyright registration time
2026-07-07T03:46:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:076a525531c16382d18cef807c6f721c595e4bc8eb40330b44f470a1f913b799

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.