Already Gone

Recording by Klaas.

Recording identifiers

ISRC
DEMA61904160
CopyrightID (CopyrightChains transaction hash)
0xd407c1903fb4c5e9465540bf660bed54163093a6c06dd0d9c6e082c974b6da5e
Copyright registration time
2026-06-04T08:25:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:fb4a6085d7d0ad9b93ffc7c894a4f436841d85e92114c6076744e900f81ea2b1

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.