Luffarvisan

Recording by Jacob Nordenson.

Recording identifiers

ISRC
SEVGT0702711
CopyrightID (CopyrightChains transaction hash)
0xa80af12dcb92402d4761b3e85369e1ee94a5b004e1784a026d087d05eb5e5839
Copyright registration time
2026-06-25T07:08:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:940604c02c6e657b4f500b129122de966f036e58fa9b5adcf7429c6a4ef13330

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.