Chicago

Recording by Grupo Vanguardia.

Recording identifiers

ISRC
QZHN31973825
CopyrightID (CopyrightChains transaction hash)
0x6dec28ffea9ef1006e9444120a2cfb4536a49840eddb82942d41662b7c57a288
Copyright registration time
2026-06-24T16:57:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:594e73c56e26bbed5862197a6c5b866130f77c27f6422f654ccd11fc9fef3ff2

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.