春よ、こい

Recording by Takuro Yoshida.

Recording identifiers

ISRC
JPTE00300810
CopyrightID (CopyrightChains transaction hash)
0xad591bffdf28bb472454f01461a6a6f339339bcdb92b4c6895df6f2b9be06b3b
Copyright registration time
2026-07-06T21:54:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:340827965805a974da959e040bf9dcfd8348bec66cc875a1c1da86a9d0941a41

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.