Mailied, Op. 52 No. 4

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
DEN961902930
CopyrightID (CopyrightChains transaction hash)
0xee5d209667161614fdb62bf6eb94541f0c81b06a4daad74817e23e7860cce781
Copyright registration time
2026-07-07T05:19:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:873d4699764db1047886e892476211baaf16856d8308658651fd0ed260568f0b

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.