Concerto for Clarinet

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
USSM11911357
CopyrightID (CopyrightChains transaction hash)
0xf3d6c45c84aa7b43e12224f904846de57dd0d5feee8628cc27c9d763e85b6c35
Copyright registration time
2026-07-06T05:25:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:0305e0cc054d80f3fee0378f9eec98bff76688e4e730b40e7e81b8566a33d7d7

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.