Mood Indigo

Recording by Duke Ellington.

Recording identifiers

ISRC
DKEFA2101210
CopyrightID (CopyrightChains transaction hash)
0x1cfb88ab66128ce28ab7c45dc758140757e2bc295cdb71c0c589443a8385356d
Copyright registration time
2026-07-07T11:37:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:09fb58af90274b5e23691cdae71169f9303f0f4779caa621a994f1e62ceee14e

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.