Karl-Bertil Jonssons julafton

Recording by Trio X of Sweden.

Recording identifiers

ISRC
SEBAA2001906
CopyrightID (CopyrightChains transaction hash)
0xb5dd3a91b7e897600235ecd67dbf200ec0319b444b12aa8b55c2ae5d8c945ba9
Copyright registration time
2026-07-29T18:58:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:8ba34c7ad381cd78747b77ab078429bdcc90adca854803c551dae3cedffe2a19

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.