Valse triste

Recording by Jean Sibelius.

Recording identifiers

ISRC
FRZ299507110
CopyrightID (CopyrightChains transaction hash)
0x02abf38caadb7f957d43f120707b2cdb4d13a86e030316729363622e2b33725e
Copyright registration time
2026-06-24T15:43:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:df480ea32b9af306e64e274ae39fff5b809d787f7a186930f8b0a44dcf485fd6

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.