まあ まあ

Recording by Takuro Yoshida.

Recording identifiers

ISRC
JPFL09002930
CopyrightID (CopyrightChains transaction hash)
0x241cfd89e020640405c100a8bcfd2dd36695e59b4207ff9e2e45bfba3b23215d
Copyright registration time
2026-07-06T19:23:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ad9fcb8e80358e9044615d69b31db444d8cb5f011c05fcde613c07b808fd1941

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.