わがまま。

Recording by 『ユイカ』.

Recording identifiers

ISRC
JPPO02402525
CopyrightID (CopyrightChains transaction hash)
0x4b382faa002082c2a85ac9d3cfd4ffcc38d5a0327181500563fb2a6b939637ac
Copyright registration time
2026-06-04T11:53:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ffc16d4d2c84a0d66faad16d619f2169032522812c51dfb6a9075afc5e14aa86

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.