Riffs

Recording by James P. Johnson.

Recording identifiers

ISRC
USMC14472393
CopyrightID (CopyrightChains transaction hash)
0xfa870bdf29a0b20b85454d03affeca38f992622b15a5a5895e3de0a58d937647
Copyright registration time
2026-06-09T19:45:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:6fb4fe4523711638b700bb31679c4f3a3745a6cfb6c54df9f188183b74192edd

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.