Opfer

Recording by Kaneko Chiharu.

Recording identifiers

ISRC
TCJPY2498364
CopyrightID (CopyrightChains transaction hash)
0x6ac20891fc7e4d21f0a3d25e422d96ff9ba338012cc4c032e671d94062e57a99
Copyright registration time
2026-06-25T18:18:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:cc9dc5b1cc9290c79b0dba17882aabf2cd122aaea97231811ba20fda2f526d6d

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.