Violin Sonata in B Minor: I. Allegro

Recording by Amanda Rontgen-Maier.

Recording identifiers

ISRC
SETSA1919312
CopyrightID (CopyrightChains transaction hash)
0xc488785c80ba2a68b404392287c7a31893942d37f3ffeceb0a1ad5356a0cb256
Copyright registration time
2026-07-07T20:20:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:3858a40595be3876373081b934105a88a1adbb7dc592642aabffe3bf9fbe3a52

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.