Valse Lente, Op. 33

Recording by Oskar Merikanto.

Recording identifiers

ISRC
FIFGL9700026
CopyrightID (CopyrightChains transaction hash)
0x9ca6c09544a8fe0fbc3238a94ae8f54e2489c88b1c1b39e8f203288a46367f06
Copyright registration time
2026-07-07T07:29:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:98595e85872d7ceba534a5912e51bda8aa28d3d650d5f2f72667c74d70da7cfe

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.