Indigo Echoes - Take 2

Recording by Duke Ellington's Sextet.

Recording identifiers

ISRC
USSM10025475
CopyrightID (CopyrightChains transaction hash)
0x9df01495245027c067d78a3629414fb330d9d32f198f7886e356d5ee32c8d4a1
Copyright registration time
2026-08-01T03:38:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:50:58Z
Bitcoin block
960506
Canonical record hash
sha256:e99674edc90921e03331107701957689412a9ca5dd00930dd28f0ed936eb974b

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.