Pugna cum maga

Recording by 梶浦 由記.

Recording identifiers

ISRC
JPE301100666
CopyrightID (CopyrightChains transaction hash)
0x6551666d1494790e2967b434fd355c41e9c5bbc7a0afeea91ca3777a016ebe7e
Copyright registration time
2026-06-07T13:00:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:9f0665da691e1eddfbb5aaa753c195d7a8f1ed3a0cf114326516ce98778db452

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.