15:バラード（ブルグミュラー：25の練習曲　作品100）

Recording identifiers

ISRC

JPVI07207220

CopyrightID (CopyrightChains transaction hash)

0x44b1115656b1f7a03a0390508c84c062acf5a06c7dc5b5a38acd12ff682190d7

Copyright registration time

2026-06-27T19:32:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T05:09:12Z

Bitcoin block

956312

Canonical record hash

sha256:1ab23d87f6abb5efe3c04c1617a633acc987239da897ec4afa922cbf9b85d8e2

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.