Erla's Waltz

Recording by Lavinia Meijer.

Recording identifiers

ISRC
USSM11607333
CopyrightID (CopyrightChains transaction hash)
0x833b147f98eccafac37e60d600afd9a4b5908db21709cf9408eff8b5c39d6a66

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:c9e445035ccdf71c3b00b349e9d88170c0ea80ab2594719e11d497206cb30aa7

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.