私の16才

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08201290
CopyrightID (CopyrightChains transaction hash)
0xa95c582589a1898a3091ccede2480ae94d6a9bdd1c3ed937ae5b7788d6595d9c
Copyright registration time
2026-06-06T10:04:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:6d458d42e61180913c358637f0fe4aa6abacec2e762e3c815bbb508ff25aa048

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.