pretty voice

Recording by Ai Otsuka.

Recording identifiers

ISRC
JPB600423901
CopyrightID (CopyrightChains transaction hash)
0x7c07c6e287b62b87a057c06826c4633c9c6bb8db7784bba621055672a6d6c480
Copyright registration time
2026-06-09T16:41:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c788030d14a1c70e89db5ac6645bad57680bfe3a1ae785c0c92a493011e051af

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.