Freudvoll und Leidvoll

Recording by Franz Liszt.

Recording identifiers

ISRC
GBBBB2016407
CopyrightID (CopyrightChains transaction hash)
0x75e4047a9d3d54ea11ca7c958e44f3a054c69fb440fc0aa1ee37d3e94914b9cf
Copyright registration time
2026-07-07T16:48:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ecb625d025d848446e2248e30de159d1c001ab04fda0cbf94dbc1b6fa777eb72

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.