Christmas no Warumonosan

Recording by Nobuaki Nobusawa.

Recording identifiers

ISRC
JPVP02402333
CopyrightID (CopyrightChains transaction hash)
0x45a4a4e636b0cda8ba07aa50446b2fb2e96fc375ef8983ede857ffd1aa7660a5
Copyright registration time
2026-07-07T12:51:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5c360ae892edcc79d56c4a78163a4f61f6ab24b1fa87bfefe3731320ad23d777

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.