Spring ud

Recording by Klaus Kjellerup.

Recording identifiers

ISRC
DKV6A1500301
CopyrightID (CopyrightChains transaction hash)
0x853155c1be53506e93d8fd1c9596e8617cedd309c95f1c3a39ddf6921108b2c1
Copyright registration time
2026-07-07T14:02:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:42cdd41a7f570266afa9dde88e5f9c33ebe1a98df8a35b2f07bb17bac034f73d

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.