Duett

Recording by Sol Heilo.

Recording identifiers

ISRC
NOEIA1901040
CopyrightID (CopyrightChains transaction hash)
0xb24d36a25b7d9805943c1adedfe19f59ae14c861e432409dd88c2a06b1f39d26
Copyright registration time
2026-06-20T14:22:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:18:56Z
Bitcoin block
957048
Canonical record hash
sha256:a77c661e2fc49350dcc5b35c8b16c0882479be1da20b4365b60e185327f1b571

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.