MARIA(チームK Ver.)

Recording by AKB48.

Recording identifiers

ISRC
JPN100601766
CopyrightID (CopyrightChains transaction hash)
0x1b707fee65edbc6d403f12b1f3add6be6eebcb0354fc00a1587a1a6cfdab0488
Copyright registration time
2026-07-29T12:05:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T12:35:17Z
Bitcoin block
960105
Canonical record hash
sha256:af909143e6a5672012268f52fc9cdf60eed2dbd158b611595ada68d28c9aea28

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.