Echoes of Harlem

Recording by Duke Ellington.

Recording identifiers

ISRC
USSM10014543
CopyrightID (CopyrightChains transaction hash)
0xd22ee619ed8a5b76b55c5cb683fb06a600bc571e8dc84234bfb221c1dccdc77d
Copyright registration time
2026-06-21T21:14:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:431264d546858a173d63dceb0f0c332738072bc210ff5e966f51446144c05289

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.