Valsa (Da Suíte Popular Brasileira)

Recording by Arthur Nestrovski.

Recording identifiers

ISRC
BXGTT2000043
CopyrightID (CopyrightChains transaction hash)
0x17fca36bb7dfb1a68b3e8a0599203b6b41693c1b71d685cae8757c2ccd4978f2
Copyright registration time
2026-07-31T15:24:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:59:18Z
Bitcoin block
960427
Canonical record hash
sha256:59617ef593fdc5c486f5229bfd14a887583dfdb93d7cf1eaaaa726530a6a1fb3

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.