Viola

Recording by João Arruda.

Recording identifiers

ISRC
BRO9U1300008
CopyrightID (CopyrightChains transaction hash)
0x52ed119cd69db15c7fa690f17bae0bd2d55cce054d85a327399f831fbfbb5d51
Copyright registration time
2026-07-07T03:54:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9748b4673214963bf89f89cd57f9e37740e43a523f5c1b649fd787ded7d93ea3

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.