Take The "A" Train

Recording by Duke Ellington.

Recording identifiers

ISRC
FR8X02301585
CopyrightID (CopyrightChains transaction hash)
0xf7aedb92c2998ddd83e17300b36ae94d9f7c249f0e5eeb27d92d144e58451f77
Copyright registration time
2026-06-24T01:45:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:33e7694e8841d0573fc3b2777dd05f849827dd6a3040039ce3d059100dc2ce3a

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.