Flundervalsen

Recording by Lasse Mårtenson.

Recording identifiers

ISRC
FIFMF1222302
CopyrightID (CopyrightChains transaction hash)
0x0a19b529afc7012116c21b1d7f85b35332373134413817c82a8d6c72570ab881
Copyright registration time
2026-07-30T09:47:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:58:01Z
Bitcoin block
960241
Canonical record hash
sha256:1a7bc5c8b38f48be255025c7d6a203809c57254471b99bdaf6ae84fce991b39f

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.