希望的リフレイン

Recording by AKB48.

Recording identifiers

ISRC
JPKI01418111
CopyrightID (CopyrightChains transaction hash)
0x4a5202860f1767194589dbbafdca1b7adc2fc99b5094d90127e69a1f5255c5df
Copyright registration time
2026-06-10T23:24:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:69bc2ec114fc5e8d2fbf40537789bba0c9b0918e35fc1eb7702cb34f7e145dd3

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.