Courante e variatio

Recording by Johann Heinrich Schmelzer.

Recording identifiers

ISRC
FR50X0510921
CopyrightID (CopyrightChains transaction hash)
0x1a9da816d0d10c2ca3cf8f28bd3e083d7a2bd3f7f821b6a4c61a802cfb13a202
Copyright registration time
2026-07-07T19:30:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:a3760ade6d23828102e66e04bdc8819cb455adba340f21531e54592a7143c27b

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.