A Piece Of Happiness (Piano)

Recording by Akira Kosemura.

Recording identifiers

ISRC
JPL801862022
CopyrightID (CopyrightChains transaction hash)
0x55b2a085b3020a055a7c29ec2c4bd530f10ac3e71f9010db293a28e7f32128e0
Copyright registration time
2026-06-24T08:20:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:24c1437002cb83a5130a2dc1bc39bb241d61935bd5f5346e6d1b59b72926d504

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.