ワルツ 第3番 イ短調 Op.34-2 「華麗な円舞曲」

Recording by Dina Yoffe.

Recording identifiers

ISRC
JPVI09131540
CopyrightID (CopyrightChains transaction hash)
0xd6161888b9f47668a3d7a2a070dc9bf9c852c52b3873509679128bd6f129c095
Copyright registration time
2026-06-18T11:50:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ee951a69c5f66ce50f9cfd9e37c964035050c84ef346d09e1e3dd961061a410a

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.