Duo

Recording by Zazie.

Recording identifiers

ISRC
FRUM70600121
CopyrightID (CopyrightChains transaction hash)
0x9b16a5694da0af26c5cf3475828f3e9eec6de442117e37ae2ab08e1f155a63bb
Copyright registration time
2026-06-05T17:42:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a2dbc500d3747d41bbc46d2aff594f617b16828e21fe8cf145f8a17ea0ee7452

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.