O du fröhliche

Recording by Albert Frey.

Recording identifiers

ISRC
DEA551734937
CopyrightID (CopyrightChains transaction hash)
0x22df913850d21a197e867bc069c3e2ee49ec5208b1e8e635b98ec6b93de47708
Copyright registration time
2026-07-07T02:10:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f8d65f46bd015df33e1fc1c4a5f6515909f9f5eadb6f263c2ce2e9f945556bf7

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.