Rhapsody in Blue

Recording by George Gershwin.

Recording identifiers

ISRC
USSM16700112
CopyrightID (CopyrightChains transaction hash)
0x1fb0b5ea71117f42c068f8aa6fbd29519601af5bf87dfd3d78eb992142ecb280
Copyright registration time
2026-07-07T05:31:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:85005fe2657a49836638789ac1f3441c382897a2a0762c69bf976336f1509212

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.