Battle at the Big Bridge - Ver.2 FFRK Ver. arrange

Recording by 鈴木克崇.

Recording identifiers

ISRC
JPA841600425
CopyrightID (CopyrightChains transaction hash)
0x34cd62e546e77998f5e8ecde14bbe529a9299fb22f2947747f9809ab8a42e30c
Copyright registration time
2026-06-07T06:58:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:e415cafbc3df634d3d19c15978d2f296760fe87606b30129676fee03be42da29

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.