Preludes, W419: No. 4 in E Minor

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
USMU10700624
CopyrightID (CopyrightChains transaction hash)
0x102784744e504a68e41efef856ebdb14625f4a534e2b084f5351d1573c719991
Copyright registration time
2026-07-07T08:14:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:35fb60f4dd700bedd0730497cfe6d9b0e3f7ad5bd52862a6d54448cabd2ca618

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.