Impro Blues

Recording by Los Peores De Chile.

Recording identifiers

ISRC
USDY41996365
CopyrightID (CopyrightChains transaction hash)
0xdc098d8e40781a1625ebeaeafbe947024329eb55abfac83760e84a746c82ff53
Copyright registration time
2026-07-06T21:41:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e821095beec2f076f84eddb84bcf3627dca5af875c9de65c5f0b1a6510b7df66

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.