Rhapsody in Blue

Recording by George Gershwin.

Recording identifiers

ISRC
NLY331405648
CopyrightID (CopyrightChains transaction hash)
0x85f12a2cc2e3711d7df34d10573b029450e983ce4c1dea2fda64806a31532385
Copyright registration time
2026-07-07T10:29:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7920bc8a04246126feb0a43486cba7fc765d2e9e6b93aa248061e2181735a9b1

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.