Violin Concerto No. 2, Sz. 112: II. Andante tranquillo

Recording by Béla Bartók.

Recording identifiers

ISRC
FRZ131209020
CopyrightID (CopyrightChains transaction hash)
0x2ae5c16bbece10d58cdfb40ed42c8686cb7e4609ea72aeeb4d6611151131af65
Copyright registration time
2026-06-26T19:45:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:fd159506b90737f9c54a360094cbdd2ca26fe0414e51fd190a44d9c2f601ef50

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.