European Waltz

Recording by Lee Jacobs.

Recording identifiers

ISRC
QMGXA1418570
CopyrightID (CopyrightChains transaction hash)
0x5250e18f9ff7e3af68dda546a1efe9be956542a9f07a58ca9209aab74b8a0c72
Copyright registration time
2026-06-19T13:19:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:aee32de52c5052d13067fe6643414099d0b702e4afa8bb9c9cf1f2d914a063a2

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.