マッシュルーム・ワルツ

Recording by あきやまうに.

Recording identifiers

ISRC
JPW561812003
CopyrightID (CopyrightChains transaction hash)
0x3a981b71746f1c1d9bd03fc9b6e1785bc47b79842b243df4ce9718df8adf6f5f
Copyright registration time
2026-06-27T09:40:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9e50b138be096329afe65a2bc5977f9ddf19b68dddca80a4b073e1ed7bbda671

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.