「ありがとうの笑顔」

Recording by Shoko Nakagawa.

Recording identifiers

ISRC
JPSR00903101
CopyrightID (CopyrightChains transaction hash)
0x1653d8d5b1be8dfa2f8821fbf1886a7ebcd1b085148aaf21d14fb98ea572db1f
Copyright registration time
2026-07-06T06:54:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:8c3000089520263f7012eeade11e32aa1c54d0c02745d178dacf7a4e2b94abd5

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.