群鳥

Recording by 踊ってばかりの国.

Recording identifiers

ISRC
JPZ921912137
CopyrightID (CopyrightChains transaction hash)
0x5537f208b68dbecc38993001d20d39d1205c2533c31b5a3c7f9bb329fdb81f2b
Copyright registration time
2026-07-22T13:47:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T14:03:35Z
Bitcoin block
959137
Canonical record hash
sha256:8132ed3f692d6e09970063518f906765603d8b45d58361330e64bf2883988922

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.