Mood Indigo

Recording by Duke Ellington.

Recording identifiers

ISRC
USMC13034928
CopyrightID (CopyrightChains transaction hash)
0x82ecb8aeaa75c37b04ab83aefe754157f9f0f76483b7adc1a10063d5545456db
Copyright registration time
2026-07-02T22:45:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4a4a2f146ef0d277c0e375657365f30ccb8f8f577288ae0c49b9a4da5771bb17

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.