ワルツ 第6番 変ニ長調 Op.64-1 「小犬」

Recording by Ewa Pobłocka.

Recording identifiers

ISRC
JPVI00226850
CopyrightID (CopyrightChains transaction hash)
0xa38b7748fccb37a25a88c47f8d17364bacd2460a22f160a365219e34cb2140a2
Copyright registration time
2026-06-07T14:19:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c6582392692e524b36bb43032194cdc2aee4d031d964d6f49afc252ccf03872c

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.