Sonate pour violon et piano No. 7: V. Melancholy D. C.

Recording identifiers

ISRC

FRZ130818026

CopyrightID (CopyrightChains transaction hash)

0xb3bfa31d4dfbc143cbc4c0376e1d50a866b23a151b68ae0a8dae9756ed20b89c

Copyright registration time

2026-07-30T17:18:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T17:26:40Z

Bitcoin block

960285

Canonical record hash

sha256:c14761610a4fc572ea8093d89fb14442d32d6cb08eb0184feb4448447971ee19

• Verify the CopyrightID on CopyrightChains
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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.