Preludes, W419: No. 3 in A Minor

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
USMU10700623
CopyrightID (CopyrightChains transaction hash)
0xe135d746c36adb2e30aa77aa5f68e17b7a354958aa372ae6ffe68c93990ffc5c
Copyright registration time
2026-07-06T23:19:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b87776b62b9beeb3850471024ad8f8e78a381d631b0f2835e512e923cede8a54

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.