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Recording by 松井 秀太郎.

Recording identifiers

ISRC
JP92N2399331
CopyrightID (CopyrightChains transaction hash)
0xddcd9f7f3dbc5203be4b6df089cbfe745ebd19747255cc2f07345b3e12583c42
Copyright registration time
2026-06-21T04:51:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:447c5cb82b1c9956317bfdaef2d93c2bf3b4ac3cf0d8512a6d6b8f6ede58505f

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.