向日葵

Recording by AKB48.

Recording identifiers

ISRC
JPN101201669
CopyrightID (CopyrightChains transaction hash)
0x13ac29da91a32d172daa49a6ef1b1d9b1325bafe59d215eb03816677e0893976
Copyright registration time
2026-06-22T12:59:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5de964453cddd667cbdddb597b62d33d91389f9acd7cb5105f07de63b0631936

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.