春の雪

Recording by Anan Ryoko.

Recording identifiers

ISRC
JPD731100002
CopyrightID (CopyrightChains transaction hash)
0x921f9ce9ab01fb298883576b440eb82b46dba21a5a9c5eb51067f8d00cdbee47
Copyright registration time
2026-06-07T14:38:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:548f6f3b1d53f68fa67051c4af7171be850938b22db0c3b96ae9d62279fe0e7e

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.