Day Five

Recording by Victor Butzelaar.

Recording identifiers

ISRC
QZFYX2080743
CopyrightID (CopyrightChains transaction hash)
0xa84b30a9396a5bd447d273e9563b3ead16dd27d1db6fe35446e275d0adf9e59b
Copyright registration time
2026-06-23T16:33:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8ac573cd6d4d13be815b9bc0f3725b7f3feaeb5bde67957e27c490836534100f

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.