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Recording by 松井 秀太郎.

Recording identifiers

ISRC
JP92N2399334
CopyrightID (CopyrightChains transaction hash)
0x2150ec3e1bb23965c54df5fe8cd691a7109a462defad63fb6fa19b19c6df2571
Copyright registration time
2026-06-24T15:33:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:be6b226c6786aa29e70aed434b9cb46dedb236d5c12ca708af23d4ff3db46b1e

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.