futarino rakuen

Recording by Nakuru Aitsuki.

Recording identifiers

ISRC
TCJPK2051607
CopyrightID (CopyrightChains transaction hash)
0x48d8e73df69392d6f539d5e37b84fe554ae5534916bc6ae2529f7c9ac086b5d9
Copyright registration time
2026-07-06T20:31:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8b0e26fa673840851faf8296ad4232945ec8c8313ca7a09b7db9cb1b80c188a1

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.