Erza vs. Erza

Recording by Yasuharu Takanashi.

Recording identifiers

ISRC
JPPC01101077
CopyrightID (CopyrightChains transaction hash)
0x943ea58ae19a5c84413fd97a36e0cc52241ba7c68f998591a95fe307c8e497c3
Copyright registration time
2026-06-06T16:56:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:4279405ac1495ec9311a71a4559764ec9f870569f1aa5b64d322ef5038536fce

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.