円舞曲 嬰へ短調 Op.9-8

Recording by ZUN.

Recording identifiers

ISRC
JPW561904607
CopyrightID (CopyrightChains transaction hash)
0x430b8ff7523c7e200be35bbc4b19171ee6d305b2c0a0b574b254da97b554044b
Copyright registration time
2026-07-08T00:12:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:1e8e90a0c81f1e5c4a44f787a417fe160ddf112634cf92e14aaefb7b16db751d

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.