Frosches Lied

Recording by Manfred Krug.

Recording identifiers

ISRC
DEC730000350
CopyrightID (CopyrightChains transaction hash)
0xc9bd1559948170aa80221e54ece88bfb893194d85b6be67229c8bd7e05f1741d
Copyright registration time
2026-06-21T03:30:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8e2b9d8236f8818eddba3322586903ba6f383636584d0390b6a41f82f7fef23f

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.