Du och jag Jerker

Recording by Björn Rosenström.

Recording identifiers

ISRC
SEVWK0400103
CopyrightID (CopyrightChains transaction hash)
0x91f01a8578bb0fd22b50dc2146617316f9c28d45b579a488aa5f27ff44b43040
Copyright registration time
2026-06-08T16:38:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:225bb0aadbc7fde2f4c8f1773c0e167cfd545a40491a7c29e892359f75e643f8

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.