Duettina for Violin & Cello, Op. 67: II. Danzetta

Recording by Viktor Kalabis.

Recording identifiers

ISRC
GBAJY2547402
CopyrightID (CopyrightChains transaction hash)
0x15fdec8124f2f657c8719c7274eaecdb8a99585de97c8cfb0ce1906d241c514f
Copyright registration time
2026-07-06T22:34:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f0e064c75ace4b3b95be87818ea181429fd8ff58da5f5072c25f5bb8348badde

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.