Take the "A" Train

Recording by Chicago.

Recording identifiers

ISRC
USWB10904185
CopyrightID (CopyrightChains transaction hash)
0x676e5f7171b6411cd174a69131ae3287ec73154e3934e3e0de0f4757d1fb98f5
Copyright registration time
2026-06-26T12:27:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0f655be7144b20b16b61ae9cd342d39319d84c480793e3dc9bca49fc958c9e48

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.