バラード 第4番 ヘ短調 Op.52

Recording by Ewa Pobłocka.

Recording identifiers

ISRC
JPVI09013010
CopyrightID (CopyrightChains transaction hash)
0xc060c51601c15c52ab18949335f0447098632540e016d96d2d3b132e823f15a6
Copyright registration time
2026-06-19T14:05:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1f4dc92c37c94d7f1fd962d2e1b984b36778a1ccbd02542128a5d08a07b2ca9f

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.