夕凪

Recording by Hikaru Utada.

Recording identifiers

ISRC
JPU901801550
CopyrightID (CopyrightChains transaction hash)
0x018cdbdcc135eac9b49a75076c7413392f8f9f6e84af96b6d643f8ba6e1387c5
Copyright registration time
2026-06-06T15:27:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:24b17edb5525de9a16427e46ab6c2253934bc8da27d2e4ba306030881880d5d9

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.