Meaning

Recording by 西沢幸奏.

Recording identifiers

ISRC
JPVI01441800
CopyrightID (CopyrightChains transaction hash)
0xc64fa6041167f981f4752877d02c3c4b5ca36794872f891e07e393abba749c1b
Copyright registration time
2026-06-08T09:33:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:7e44f1e1bdfa82bd797869136913148ab4a0a8cb9ea9d8b84c2d2a1eaec59bc6

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.