WHAT IS ??

Recording by 馬場智章.

Recording identifiers

ISRC
JPPO02402909
CopyrightID (CopyrightChains transaction hash)
0x8f3f9b62d264115e6f80ab8ba80dc9fd90baa6322325c10c012e26beffc17bb9
Copyright registration time
2026-06-07T19:28:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:efe4b7aa22fac1dcec612e0265e67e716db866553aed3249012048d3a1941fb9

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.