まだうごく

Recording by Maaya Sakamoto.

Recording identifiers

ISRC
JPVI01514810
CopyrightID (CopyrightChains transaction hash)
0x8d44f8d5fb56fb6ddcd548cde4e25de1dc233305bda8bbb7ff59a349adab5fb1
Copyright registration time
2026-07-06T11:04:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:56a5191a6800ed04012c8caa919b9d9337f42a0c32bcbf64104568ca56315957

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.