Polska efter Ragnar Svensson, Svanskog

Recording by Mats Berglund.

Recording identifiers

ISRC
SEVJH1504201
CopyrightID (CopyrightChains transaction hash)
0xc328c5113e87235a8a1b0f52d58f002ce8ace8de2d20e0a3f034b6c53e4535b3
Copyright registration time
2026-07-31T23:13:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:ef1a9be899cc5d7ee82ce2c716ffa5e6e1f24e06316f2db73c9b5bfbe76f9db6

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.