Rhapsody in Blue

Recording by George Gershwin.

Recording identifiers

ISRC
SEWDL0730502
CopyrightID (CopyrightChains transaction hash)
0x48308747e5cc9a4d6b37914e6af1e3c8cf4d3c5b7a36df04605357b0cf848b56
Copyright registration time
2026-07-07T16:44:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:8f7e975de5dc0444896e271096d2ffcf5dedb6125480661ad1a9fecb2ea6f731

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.