Zart

Recording by Ludwig Hirsch.

Recording identifiers

ISRC
ATF068003670
CopyrightID (CopyrightChains transaction hash)
0xd3d228e51658c03f3f26b0975dc67f90306d6a4d570b3d85f09f502640457ea9
Copyright registration time
2026-07-31T10:35:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:4a7e5b0ec05ee49bf7c9608120ad0a0513acbef7792ac819aef88c235ac70765

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.