Luffarens vaggsång

Recording by Ingemar Olsson.

Recording identifiers

ISRC
SEWSH0600203
CopyrightID (CopyrightChains transaction hash)
0x08df05fc144248eb2318369a5d1a94129f0460cab496cc23668ee2dffe033f87
Copyright registration time
2026-06-08T22:58:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:0cabacb50a749390c1c6fb7d0ba6d03f06bbc635b6c89fa4a48df4ec6bf778e5

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.