up-light piano

Recording by Ikuko Harada.

Recording identifiers

ISRC
JPPO02301536
CopyrightID (CopyrightChains transaction hash)
0xeb46054b9b4b3b137d6f718a45c79d7ac53408302b1d3d8a31012f8df7237b04
Copyright registration time
2026-07-29T14:23:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:38e5fe669712602bf478a7a208506966669b46a65a935ca8b617d93d964053fc

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.