Luffarsång

Recording by Anders Widmark.

Recording identifiers

ISRC
SEVTG0301040
CopyrightID (CopyrightChains transaction hash)
0x895e8c498bb279760851a4ac7f73170cfee9d7af6972c7502b56689581ccedb4
Copyright registration time
2026-07-06T07:55:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T13:25:45Z
Bitcoin block
957041
Canonical record hash
sha256:1a130a726bffa80527ed9504377f170013503c2e56d90764560bd2915668188a

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.