Echoes of Harlem - 78rpm Version

Recording by Duke Ellington.

Recording identifiers

ISRC
USSM10407850
CopyrightID (CopyrightChains transaction hash)
0x7fe631db1f0306d01d6e11c8fc272477eec8db2603465337ae719ca773dbf478
Copyright registration time
2026-07-31T18:38:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:b894974c01c1786b5a77ac69a5f0435a51cfa1160373f1d3e8f8cfee9a9f364b

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.