SIGN

Recording by 松井 秀太郎.

Recording identifiers

ISRC
JP92N2499198
CopyrightID (CopyrightChains transaction hash)
0xbbe0940375676334f20afd9ea775b85946450228ebec4828e4b0708fa0dda2de
Copyright registration time
2026-06-23T03:57:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:26b4e187d76251dc1fbb9a610eeb5df57a103d8c6c4a42f6f7a1a24d0df16abe

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.