竹内先輩

Recording by AKB48.

Recording identifiers

ISRC
JPN101201670
CopyrightID (CopyrightChains transaction hash)
0xb54da82a9234993ca056138b87f08192235170b77d0896a1c4ac896303ec5764
Copyright registration time
2026-07-06T09:13:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:ab22e9767411afc8c783c79f5a1c3b72fc0bc44d0061118a18fd2ddcaa73c226

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.