先陣

Recording by 難波 研.

Recording identifiers

ISRC
JPE301800764
CopyrightID (CopyrightChains transaction hash)
0x1bcf060ff04fcf5f7a32484b4ae19a2593de369c1fea1a151b530759e574bd24
Copyright registration time
2026-07-07T15:52:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:313a534db523afd6278201ef3e72d709f61f90a41b3a653c9a84c87dbe8a545c

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.