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
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:f74537793e5fba815678871081d8879239e41e1a2e15221628d8fbd96313f182

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.