Variations On "I Got Rhythm" For Piano & Orchestra

Recording by George Gershwin.

Recording identifiers

ISRC
GBF077110260
CopyrightID (CopyrightChains transaction hash)
0xbb6f80f87407aed55bd8cbb457ef720830409199512644843565558ecab62642
Copyright registration time
2026-07-07T07:52:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a39e08d5eaef494a6cefb93990d92a2a914efb3aab2ed04044b9667769f37d07

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.