Namida to Ryusei

Recording by Yoshino Yoshikawa.

Recording identifiers

ISRC
TCJPS2243676
CopyrightID (CopyrightChains transaction hash)
0x95f8452ffb9403cd96719d88ccccc09ed40390eca3378c66e160a7e4475179cf
Copyright registration time
2026-07-07T10:39:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c3dde3542037c5cfc774c724d23a396d363f8a9f9b6a972dc63c1eb37db04207

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.