Reven Og Kråka

Recording by Alf Prøysen.

Recording identifiers

ISRC
NOACF9305140
CopyrightID (CopyrightChains transaction hash)
0x8f37042af6d9190a0fc31327e0cdd9cec92c1ec89aab55bc17202814354de292
Copyright registration time
2026-06-27T21:20:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5cc00ba8116a36014a68d427b3f751a5a47479db41082ee55dde568b8e1c4ad1

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.