楽しい音で溢れた空間

Recording by 羽岡 佳.

Recording identifiers

ISRC
JPKI02011722
CopyrightID (CopyrightChains transaction hash)
0x7394d16713d94ce61c32e67aad6dd79300acc8062411dd60cb55fba6be99985d
Copyright registration time
2026-07-29T19:56:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:13:37Z
Bitcoin block
960145
Canonical record hash
sha256:dd9d1c0ff98252e5723be59d997865cdf4b60a161169903a86441fd638d6c0f1

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.