Winter Song

Recording by Sofia Karlsson.

Recording identifiers

ISRC
SE5M51900105
CopyrightID (CopyrightChains transaction hash)
0xb4559da040c06476fc927e0479c34c4b24daa242500e8ed48b21915fcf6b7b12
Copyright registration time
2026-07-07T03:19:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:50bf7b5210680339498ef6700a17bc07412917460f9bfe5d99bc3503daed6e95

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.