II. Larghetto

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
USSM18300356
CopyrightID (CopyrightChains transaction hash)
0x49aae8febe9c31eb4d2bde6ed4b530224ae5b249cd7254dc203bef66ea3913a1
Copyright registration time
2026-06-04T07:49:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b8095ee29f51ce82effdce4763bf1e3e69f6bcb74037fc0459f26d1cc93054ff

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.