Polska efter Jones Olle, Backa

Recording by Lars-Gunnar Bjorklund.

Recording identifiers

ISRC
SEYXC1600213
CopyrightID (CopyrightChains transaction hash)
0x5e23c57862fc0ace4493b200d4471a4e7e30f9ce58cc6038fe540548d6a7d166
Copyright registration time
2026-07-06T22:45:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:30c48f78d01a2bfe510fcdad092cc6ff4b59a45f5eb1050104281959d26e4095

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.