夜桜哀歌

Recording by 山本譲二.

Recording identifiers

ISRC
JPTE01906550
CopyrightID (CopyrightChains transaction hash)
0x3170613b022065e8b66deee3fb527c7f70982908ba77064d62f890c28a684e13
Copyright registration time
2026-06-23T17:22:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ba148edf03f8f66de69a6591e6fa2b3ad694e16160d40f042b6ff71f62d9bd5a

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.