リフレイン

Recording by sumika.

Recording identifiers

ISRC
JPZ921609066
CopyrightID (CopyrightChains transaction hash)
0x991db9737d512a367f347e6eec6a80c78baf75d281091ea497fc76dd78a996bc
Copyright registration time
2026-06-06T18:18:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:723a8585c86f0ef78c9e94e54a67273ad8761bfe4292eea55f34e69511b3e8fe

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.