懺・さよなら絶望先生メインテーマ

Recording by Tomoki Hasegawa.

Recording identifiers

ISRC
JPKI00916262
CopyrightID (CopyrightChains transaction hash)
0x6f1ca0ebed80ee589b31574ce819b49837fc42f6509b7e8f1f12fcbb5fd0bb85
Copyright registration time
2026-07-07T08:15:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:643f555f84125da5aea1afdd907b59a42e4713b5639c610f0ffe4a3054b88fe0

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.