Quiet sea

Recording by 御原凛音(cv.田村ゆかり).

Recording identifiers

ISRC
JPK631805745
CopyrightID (CopyrightChains transaction hash)
0x615f53327b7ce9bb24ca4d3bcc1dbd5310be8d43941e8df04a1dbaf9d8138386
Copyright registration time
2026-07-29T13:01:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:09:35Z
Bitcoin block
960108
Canonical record hash
sha256:03e8858eeb870878db2c4020197bcf5ecb9a2feef3c1c4e49dc3f8ee1f82afd7

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.