Backlash Blues

Recording by Nina Simone.

Recording identifiers

ISRC
USRC10503536
CopyrightID (CopyrightChains transaction hash)
0x15f23c3596415ae2fec454c378f17ddf394bfd83da2c4e21f0c3fbc88263b7cd
Copyright registration time
2026-06-04T12:47:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5dd68f89e50238a328e6fc8cea06995e7995ab7e33f32c8b33525a830fedfb96

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.