Take the "A" Train: I.

Recording by Duke Ellington.

Recording identifiers

ISRC
SEAGA9816050
CopyrightID (CopyrightChains transaction hash)
0x15d41bfb7ef2f280f091fa11be34fbb2f1e34982153c5b2e3228dfacdeb0a282
Copyright registration time
2026-07-07T14:48:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:cc491b87be217bed4dd37e129118a9649983b92c308b557ae8881190fe425c51

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.