Suite populaire brésilienne, W020: III. Valsa-Chôro

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
ES25S2500020
CopyrightID (CopyrightChains transaction hash)
0xf1ddc08501ba94788ae37cc9ead542aeb9df5d7176f1b26288d1af4aa4c018b7
Copyright registration time
2026-07-07T11:15:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7eef1536ce43f7549a3f4498d817904fe08f1ab236671bda0b591c575703229a

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.