Light and Shadow

Recording by 西沢幸奏.

Recording identifiers

ISRC
JPVI01704180
CopyrightID (CopyrightChains transaction hash)
0x579bcab38d567a7094f8115ac1c68c7cd9f0bbeb8e4f5e684f7a4d3df3488a8d
Copyright registration time
2026-06-20T18:06:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:52f1865830a7abf7d09fff28c7ce349a84d2cfa5dcd5948340c420bc8168d8fd

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.