空は高く風は歌う

Recording by Luna Haruna.

Recording identifiers

ISRC
JPU901200525
CopyrightID (CopyrightChains transaction hash)
0x3329d7f00dcb0462e1addca99a1050ac7f5bda515f97000b4bac5fbb1e596de4
Copyright registration time
2026-06-04T15:56:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9238dd6f0236932815cbb6fdcffc53db35f8bb69b7eb322359dfb82bae0c3a23

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.