Rhapsody in Blue

Recording by George Gershwin.

Recording identifiers

ISRC
USSM15901418
CopyrightID (CopyrightChains transaction hash)
0x66bf07d8ae6b3400ce872e98914176132ffd65589b34661b133942d322ef304b
Copyright registration time
2026-06-04T08:52:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:80a25bd4054da8f17d2ff648989a3423c504124550eb6466e78434dce49e5023

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.