Du fria - Nisj remix

Recording by Håkan Hellström.

Recording identifiers

ISRC
SENAA1603801
CopyrightID (CopyrightChains transaction hash)
0xf682f9541a19a9f6a28fab9d39fb1eb9fc18e5b51b29f499357e38972b3a6ed9
Copyright registration time
2026-06-19T23:11:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d5492c015686a3c5b0814dc5c102262748ad157df8e9e11b4b69293d04c3f911

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.