亡き王女の為のセプテット

Recording by ZUN.

Recording identifiers

ISRC
JPW561901164
CopyrightID (CopyrightChains transaction hash)
0x5b4250edeb5ea2216a8f41e030007eae20f1189a4380e981de820640d44eb5d9
Copyright registration time
2026-07-29T15:04:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:430ac8c400772a43c1e30163d02c7d96daf7ce2edaa6fa3e1c04d693b941226e

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.