Five Contredanses, K. 609, No. 1

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
FROV61921512
CopyrightID (CopyrightChains transaction hash)
0xdbc51381746a05bb64abf3e44cc091ae7a27e7d2cc6bd21e240f04950925ea8f
Copyright registration time
2026-07-07T08:31:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:373f7b227340cf68ad5e39f6c4b9b26da92dbceacbc25f125da497c8a1fd21bf

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.