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Recording by Alf Prøysen.

Recording identifiers

ISRC
NOFKF9305010
CopyrightID (CopyrightChains transaction hash)
0x9c45a3af1c636a8c54bd8d479bfe1c34596498638d1b2c50d1f91cd179c086d1
Copyright registration time
2026-07-30T15:19:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:c36e440336693eb7b6c367f5f4e4266ed5f62808e5de2c9ce04b01db436b0ab1

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.