Sonata Representativa

Recording by Johann Heinrich Schmelzer.

Recording identifiers

ISRC
FRU621530203
CopyrightID (CopyrightChains transaction hash)
0x2969dabfaa2d0c9e779fa8d15ba0af81d0ed56788a16329152bfdefad4c27c11
Copyright registration time
2026-07-07T12:06:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:476a600753c604e138be3b42282dd9ef769acde14350cc92fd72dbba1c3d20c9

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.