Waltz from Coppélia

Recording by Zdenek Chabala & The Czech Philharmonic.

Recording identifiers

ISRC
USA371097291
CopyrightID (CopyrightChains transaction hash)
0xe1c67b25bcf29f4b809559c42329716b8fbd6264e799f185cb09f2b36ebbd24b
Copyright registration time
2026-06-27T07:33:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9c8c0063c216e92a1cb11012525bab2b6a2fab9091a8b827f9a14fb7a6863568

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.