Sonata en Mi Mineur

Recording by First Fragment.

Recording identifiers

ISRC
QM4TX2177917
CopyrightID (CopyrightChains transaction hash)
0xed3baff5261f4884ce49804a12243767ee4f49be63f2d4708794c71e52056543
Copyright registration time
2026-06-18T12:26:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6d01d4468d8c9e4bfaba46798f796be1aecbfdec97e71ec96a268db96e30769c

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.