よるの向日葵

Recording by Kayoko Yoshizawa.

Recording identifiers

ISRC
JPCR01806860
CopyrightID (CopyrightChains transaction hash)
0x8debd7676b84ab7b95974f65582eb290679ca8361d89eeaed020a4be7f168557
Copyright registration time
2026-07-06T21:19:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:264e405a2e4fc4140561e0a313034ad5a435e4cbfc58a90ecda4fb3553a7b1c2

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.