Pergo pugnare

Recording by 梶浦 由記.

Recording identifiers

ISRC
JPE301102572
CopyrightID (CopyrightChains transaction hash)
0x316257c5ae1397e49ddf1b5db4fa710631d89a3afc39208c7cfef2ceca827760
Copyright registration time
2026-06-09T06:59:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:971eacc1ad104e3953fbbc55c6353e10324adcfe4a21dec64e65e7972728ac06

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.