Krökta ryggar

Recording by Jonas Lundqvist.

Recording identifiers

ISRC
SE2VW1200108
CopyrightID (CopyrightChains transaction hash)
0x137369e9d6542e113b55ef7afb41bd5b2f7381fe4fd0dea1bd767320bbbb6a2a
Copyright registration time
2026-06-26T02:58:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:4b147aa933597d51ffab35738194de6c3aaebf1092340a9bc34916544645664e

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.