Violin Concerto: I. Allegro energico

Recording by Karl-Birger Blomdahl.

Recording identifiers

ISRC
QMFMF2110634
CopyrightID (CopyrightChains transaction hash)
0x2118f7e0a652a67c6e71e624938bdcd0984112e5a3bd5050df32801d676a8341
Copyright registration time
2026-01-28T20:59:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:a75e895fbd65d8109a254f3641f7cc68df1ea36cee320a3515d0a8451f90d345

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.