春愁秋思

Recording by KUKIKODAN.

Recording identifiers

ISRC
JPZ921015012
CopyrightID (CopyrightChains transaction hash)
0xc698a66781ccc8698baf05c6c7b4f8fd944bf06f5568b65fec7d5c649711f77f
Copyright registration time
2026-07-06T22:31:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:0a455f1b4fb59fdf4f4aea8af0cb1c6f132d9ff21acfbd8f06022cf6d47cf553

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.