Duo for Violin & Cello, Op. 7: I. Allegro serioso, non troppo

Recording by Zoltán Kodály.

Recording identifiers

ISRC
DEB951590201
Release date of the album this recording appears on
2016-09-09
CopyrightID (CopyrightChains transaction hash)
0x967c47af2744afed8ff28fb53267f6e31dafcfe4249c78562f16aca50db2f8cd
Copyright registration time
2026-07-07T08:29:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e28e43d0f82d2822752574ee71e9afa3f3d0ec1c5d0a9a56d325b50fa763068b

What this proof establishes

This recording was released in 2016, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.