Duo

Recording by Christian Schittenhelm.

Recording identifiers

ISRC
FRPJ01210146
CopyrightID (CopyrightChains transaction hash)
0xd15b31b1fb1fdabf96de298fde5cca5d3805ec7f58b467d82cc7258625e504f1
Copyright registration time
2026-06-20T08:33:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8ddcf196e3c7a5d5ff39f57118f0faaad01b4ba44f697cf37957f3b5d3f30d36

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.