帰還

Recording by 西沢幸奏.

Recording identifiers

ISRC
JPVI01633720
CopyrightID (CopyrightChains transaction hash)
0x4ee1f6c1ac328833fe3d0de3da578896e7fa4c742d1a8b7d7ea896bac696bf45
Copyright registration time
2026-06-11T01:59:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e8f6b8a2e332d31f6b2c6a08a1c51a8c378a55ed0ab90c9622564d604c63e6c5

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.