12 Estudos, W235: VIII. Modere

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
USMU10700633
CopyrightID (CopyrightChains transaction hash)
0x32e3fd23188224271b41f023a82d6211ea1d1e7615987343601a01d6dc35cfc2
Copyright registration time
2026-07-07T07:13:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c9b156f0b92f8016b46214cb3fc2f7aeaac1b3ca3953b9e1cf87ba67b6e1bf23

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.