Piano: A Beautiful Song

Recording by 帆足圭吾.

Recording identifiers

ISRC
JPA841801459
CopyrightID (CopyrightChains transaction hash)
0x357c953c0f811cb6dc92212ed4f9f0f2897e70d238aee74e81b582f17873992f
Copyright registration time
2026-06-09T06:57:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c501d4e9c754c284f8f01caba874ffbe091eb5fc9a55818ec5db85e8da262c1d

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.