FRAGMENTS

Recording by 松井 秀太郎.

Recording identifiers

ISRC
JP92N2499203
CopyrightID (CopyrightChains transaction hash)
0x2e2a484e9a7a8d65bfc516ab791e525f30f0c18d345bbe54df64eaa129162abe
Copyright registration time
2026-06-26T23:26:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:89d5b205bbebfb101a3d91d1a8362759e70418265306e693c7b34c4f0fca0943

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.