Harlem Swing - 1939, Davis & Schwegler transcription

Recording by Nat King Cole.

Recording identifiers

ISRC
USA2P1952989
CopyrightID (CopyrightChains transaction hash)
0x81a8777b23c402a5f318e8e277f761e5b8c6ce6993c773a47586f262f6032a31
Copyright registration time
2026-07-08T00:03:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ce9d9e08e02378d4b7fee73f731be842f376de0bba61007cee2e8ab5553d2265

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.