Rakugakipeiji

Recording by KANKAKU PIERO.

Recording identifiers

ISRC
JPB601900301
CopyrightID (CopyrightChains transaction hash)
0xe5be98439ea15244987f8ccef49885a3c9089bfd3f4f0056528fcf1e5eab5d30
Copyright registration time
2026-06-04T08:57:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:7236b6b8cb5939cceebe6ce6d0a54e84c5d38de2a21c0984b4b77a03cefaf6f8

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.