Vårsång

Recording by Wilhelm Peterson-Berger.

Recording identifiers

ISRC
SEVOZ8802314
CopyrightID (CopyrightChains transaction hash)
0x3ef8377ec51a8b5070540dc792b130924c4921778cd8a62b7ecc7a17fee7250a
Copyright registration time
2026-01-29T01:38:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:33246f0820f60d662be896a742b4e9cc9f2f4f84fd427324b62bbcd0a906f4b4

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.