Riffin' Without Helen

Recording by Lester Young.

Recording identifiers

ISRC
USBN29500189
CopyrightID (CopyrightChains transaction hash)
0xe8661f064086c5fb2b03582c87ab041e4eb396c043eeaeb56ffe1ac27c8ce467
Copyright registration time
2026-07-06T21:56:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:25b754b4ba35a795a2aa092d0aea96a7df95374058e4a5babecbea4706479a9c

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.