Kaizoku No Uta

Recording by ツーカイザー.

Recording identifiers

ISRC
JPCO02107130
CopyrightID (CopyrightChains transaction hash)
0x411a0410f28e2d6b3a9c6d33b5c98cf2fdd0f54e4542401968017eabeb504bdf
Copyright registration time
2026-06-11T05:56:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5049d8dd4386e0234431410971ad2ecd6bc2db74a9cf75e3e8f597b937d4af01

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.