夕方のうた

Recording by Yoshinao Nakada.

Recording identifiers

ISRC
JPH492100050
CopyrightID (CopyrightChains transaction hash)
0x0340f5836ba8023bb4f6241c193a47b9d69f050066666f2db9d0c58cbb84fcdd
Copyright registration time
2026-06-17T22:23:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5c006bc53b3b317013d89ce6d7afdc854988ca6b04f1a7e7c85229125df84331

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.