Rhapsody in Blue

Recording identifiers

ISRC

USSM17600631

Release date of the album this recording appears on

1976

CopyrightID (CopyrightChains transaction hash)

0x26a990ed12fba8458a3bf0c4ab45d25fed107a7bce642b89f385cb6789c11526

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T14:36:16Z

Bitcoin block

960264

Canonical record hash

sha256:2945982569f5bf80c31e1fdce0fdb0c15ba1813a6ac8a5959422bb54c9dc0d7b

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USSM17600631

What this proof establishes

This recording was released in 1976, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.