Duo

Recording by Rolf Løvland.

Recording identifiers

ISRC
NOAMM0125060
CopyrightID (CopyrightChains transaction hash)
0x736fbbeb29d91dfa635f9a8ec0fd4ee14a60904b098b1642ef9d3f703631744f
Copyright registration time
2026-06-05T09:22:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1049e0e7e57bb81baf0d10ecfa2e056e35257dff5a7684cb6c346636ce3469d2

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.