15パーセントの嘘

Recording by Nanase Aikawa.

Recording identifiers

ISRC
JPB601603339
CopyrightID (CopyrightChains transaction hash)
0x8d82129e3dc66c94889faacca73bf79e86d92830eb61712e787824b7d0a13db2
Copyright registration time
2026-07-07T14:18:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ad91645ada5a04a90f381f8fae522e69239f4ad8e349b63908399a3d15729399

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.