Valse miniature

Recording by Serge Koussevitsky.

Recording identifiers

ISRC
GBUM70818361
CopyrightID (CopyrightChains transaction hash)
0x33901c72dff8bc9af4cc82b5d4c2542b4d601d89c725797643278fea21d11ae8
Copyright registration time
2026-07-07T10:48:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:913380023d402e4e4f2951aa88ac95c92263d90265affc57f8349c10c0a19713

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.