Take the A Train

Recording by Dave Brubeck Trio.

Recording identifiers

ISRC
QZML42200006
CopyrightID (CopyrightChains transaction hash)
0x4345705f041195be44e14d50cd1df5660a16702403353c5228cfe6e05c49a393
Copyright registration time
2026-07-06T09:17:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:18:56Z
Bitcoin block
957048
Canonical record hash
sha256:265f2070df6451828f2fae0d988bad5727c47cc06a46df538d08cb74f19f5a36

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.