Rondino on a Theme by Beethoven

Recording by Fritz Kreisler.

Recording identifiers

ISRC
NLA507200936
CopyrightID (CopyrightChains transaction hash)
0xebe09aaec0e3052b32f4066c59d8604a8cba4d5ee851cde1c59ebb4085dbecc5
Copyright registration time
2026-07-07T10:17:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:78ebfca96ee816a2b94eaf7f7d842702e36b2dfaee7d081be719ad89c7201c68

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.