Duettina for Violin & Cello, Op. 67: I. Introduzione

Recording by Viktor Kalabis.

Recording identifiers

ISRC
GBAJY2547401
Release date of the album this recording appears on
2025-05-02
CopyrightID (CopyrightChains transaction hash)
0x6cb0fc154f270441c0555a8f78cb2284cd3dab319ea2fcb4d6b9c5ce91746b26
Copyright registration time
2026-06-26T15:28:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a11d3200d40828967534b0421e89cc35a141491fa707d3356e4beee1169e9de1

What this proof establishes

This recording was released in 2025. ProofProfile's artist catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and this recording entered the record through cc-db-prod's ISRC-linked registration. Its provenance rests on the dates stated above rather than on the era of that source corpus.

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.