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
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:67bb7d3b583af2cb52cd9d864d08a85dd65db6fe33c43583be6ed19c82efff91

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.