Rhapsody in Blue (Shortened Piano Version)

Recording by Kyle J. Wittlin.

Recording identifiers

ISRC
US5UL1347635
CopyrightID (CopyrightChains transaction hash)
0x9999fee5b7ea197cb9c74613597f78e6e700cd8b78fe254b1085dc682baf54dc
Copyright registration time
2026-07-07T23:37:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:09d928d28d45ed328c966cfa23421e20435afe7cf2c5d2305611ef9e8fa0e716

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.