Rhapsody in Blue

Recording by George Gershwin.

Recording identifiers

ISRC
GBAYC2200238
CopyrightID (CopyrightChains transaction hash)
0x92f0095bf7b3c223b5927d10e18a6aa6572dff856451c336bdca881b89c9d5d3
Copyright registration time
2026-07-06T10:59:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:696aa5c0ba66791c8e1f96403214b02e249f4f8135b427342cc05b871fcda096

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.