Happy Plan

Recording by 帆足圭吾.

Recording identifiers

ISRC
JPT332400079
CopyrightID (CopyrightChains transaction hash)
0x71233d671ea59269006729d1382fa820b63cf111d01f1888c3302e6cc3e64a5b
Copyright registration time
2026-07-06T07:24:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:e7b1232e078fb64dc0ccf2dad7ba87bf27a618c1810e8ff1595da58c2e3fac87

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.