Valse mignonne

Recording by Ruggero Leoncavallo.

Recording identifiers

ISRC
DEN960701630
CopyrightID (CopyrightChains transaction hash)
0xe254f9199ecd6d461db3bbaba64785e1cfc8649dde71e899fc52ffcbcfb99225
Copyright registration time
2026-07-06T22:56:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5bdbd4ec246a4cc5bcae1ff4c5df1818cdf3e81287bc26781ad02e649c0bf65b

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.