Josefs Julevise

Recording by Halvdan Sivertsen.

Recording identifiers

ISRC
NOPLB0402140
CopyrightID (CopyrightChains transaction hash)
0x2c85a81c08c56cc934b1a66024dd3cfae2b16f7f81716f936c55505434907b6a
Copyright registration time
2026-06-26T01:49:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:dc4bf13e483ca0995992b80b70f46278797700a3836f365bd236d95d07dad91f

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.