Happy Busy Day

Recording by KOHTA YAMAMOTO.

Recording identifiers

ISRC
JPVP02107506
CopyrightID (CopyrightChains transaction hash)
0x7f1b34d00a5c716519243c2e946d618bf55a9f4b09b6a89557c768998d7bf0e5
Copyright registration time
2026-07-22T05:59:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T06:33:30Z
Bitcoin block
959105
Canonical record hash
sha256:8d991c1fba03a4f3b101037e62962d55ae54b895ccf31795e7848c99af4e7841

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.