The French Waltz

Recording by Gheorghe Zamfir.

Recording identifiers

ISRC
USRDG0110101
CopyrightID (CopyrightChains transaction hash)
0x7f04ae5ba3df2cc78c18043a464904b4214301f1018453cff2d9ac1340fe6da8
Copyright registration time
2026-07-31T07:32:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:83785209ee965db7a347c0604ff82f974b497df0418b8167a356b8bed78b59af

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.