Silent Sword

Recording by Shiina Natsukawa.

Recording identifiers

ISRC
JPX402200008
CopyrightID (CopyrightChains transaction hash)
0x678f842e9ef2bb031c3951898273f2fae338f64d7b714393d1679d7c91584156
Copyright registration time
2026-06-27T09:27:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c98f7d49d6f45f8240a6ba5450c903b9ee6fa941cfd7a3e06e9f82345c1c5106

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.