不思議ね…

Recording by ZARD.

Recording identifiers

ISRC
JPC401110001
CopyrightID (CopyrightChains transaction hash)
0xb99b66103ee0b6669e5c9490d800e1e4f1e84bce38a9c93e57d5644ee213a538
Copyright registration time
2026-06-07T11:44:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:4ffc3de4658335889e5be520e288815286a7d4f7680331accda6f40a39a3c317

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.