Prelude 5

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
NLB151300680
CopyrightID (CopyrightChains transaction hash)
0x9acf614d449ef1aaee847704c5006d56ed23579ec6e75295c02299bc5a34fb03
Copyright registration time
2026-07-07T04:07:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:e2d5085a0b43e225ac6eb7ceb0358983ed5a414cd354b2241a4421e4539df452

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.