幻想即興曲 嬰ハ短調 Op.66 遺作

Recording by Ewa Pobłocka.

Recording identifiers

ISRC
JPVI09012970
CopyrightID (CopyrightChains transaction hash)
0xd0751b549323ac2e52e3826cb0a8214cfabc04e190e26b359d1cc6b53b8fda4b
Copyright registration time
2026-06-06T18:06:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:dbed8949d64d489418038e2e5d00ed05cf3ab68e2486dc7cd2a0ab48bdb65774

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.