Violin Concerto No. 1 "Angelic Echoes"

Recording by Robin de Raaff.

Recording identifiers

ISRC
NL3UC2301632
CopyrightID (CopyrightChains transaction hash)
0x7c885bc02b267f8985ec56d0cb49ab8b5760cd0ab205cf739a66a998bef5f2cd
Copyright registration time
2026-07-06T02:49:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:052f4c96098f09f9c58f0504ddb9edf2c986cd87d0c777d9f3f1ecb7f72f0cf6

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.