Take the A Train

Recording by Billy Strayhorn.

Recording identifiers

ISRC
FR6V81498056
CopyrightID (CopyrightChains transaction hash)
0xdfc5c158585fa0be39baaf4be7f4eff1132a72d1c6d6b23e5e5ee85b3ea6ac4b
Copyright registration time
2026-07-31T10:06:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T10:20:10Z
Bitcoin block
960389
Canonical record hash
sha256:baf7fdef4d9123f8d42a8b157b8d4e689706814bf5a95a626347e473432d80c8

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.