東へ西へ

Recording by GaGaGa SP.

Recording identifiers

ISRC
JPA961710007
CopyrightID (CopyrightChains transaction hash)
0xaa22a27b6ede3063270e96e703b91783a794182821e9ca963bb50ea5e9974941
Copyright registration time
2026-07-06T23:24:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:d0e1c392a5de2a464baeffbc535a6a45f13bc0412d59bdee5e451bd3b71279a9

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.