Echoes of Harlem

Recording by Duke Ellington.

Recording identifiers

ISRC
USSM10025629
CopyrightID (CopyrightChains transaction hash)
0x1e097e996fa84dbc8c68d7c5334f96bcfbfa20f10db7c6f6812ae957abf3cb5e
Copyright registration time
2026-07-22T14:24:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T15:39:05Z
Bitcoin block
959145
Canonical record hash
sha256:492d9d0520a0a7ef4729eccac3ad0d9d23020ecf818aae5b07cdcaa5897d1e90

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.