Rico's Blues

Recording by Jan Hammer.

Recording identifiers

ISRC
USMC18724494
CopyrightID (CopyrightChains transaction hash)
0x70c8db6090220709ed8a38cb3b047952248ef87c2cf4697cd6ddbf936b57c947
Copyright registration time
2026-06-08T19:29:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b24672cf855b82890ae893d6e28b46b24f4a0859cba8d9ab1d5a412e28b251c3

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.