Bitter Battle

Recording by 眞鍋 理一郎.

Recording identifiers

ISRC
JPX932100647
CopyrightID (CopyrightChains transaction hash)
0xefa362ddf051a5399ae7b4830dd4bfde441869cb0b255c2c14aac45183a22d86
Copyright registration time
2026-07-07T16:21:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:6955d4964164d9379013180b6bdba3539ac56f27a6349f58a750144349214b3c

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.