12 Estudos, W235: V. Andantino

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
USMU10700630
CopyrightID (CopyrightChains transaction hash)
0x4fa8ad8d352aded47b58b7c55498b631d843e7c7a695c5cd1ed831f08e40ce97
Copyright registration time
2026-07-07T02:57:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2c1ac56b438bd3fd4a6efa7645df1480e1cd202262f84df2827db2113cc5d95f

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.