群青

Recording by 鮎澤和彦.

Recording identifiers

ISRC
JPS321302812
CopyrightID (CopyrightChains transaction hash)
0xc176f65c3e86e53c7e44c6c92f4768af9d8842d48c7a41f1f49acde3545de20a
Copyright registration time
2026-07-07T04:46:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:55e24766040d3f18074f7d30317905cf5872c7ba87e696ed2ed061ca5dbbd229

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.