Wonne der Wehmut, Op. 83 No. 1

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
DEN961902980
CopyrightID (CopyrightChains transaction hash)
0x6ff712cf6c2b5184537211cb922776153ecabf55955f4270d1fd31d3ff4f7b87
Copyright registration time
2026-07-07T12:33:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9d193599090c7d356104f3326f55a8b55c5474d99714a3fa1be4c21fe66fa8f8

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.