Valse-choro

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
HKI191313305
CopyrightID (CopyrightChains transaction hash)
0xd17e3d6a3b4e0e50227eaece108b5070d602f5c83cbaa9c93751e9a3a3f515e3
Copyright registration time
2026-07-07T16:33:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9f86edb46a897511135f7e36954749466fc5e4a662526ce60ad93d30d1092408

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.