Challenges: Results

Recording by Marika Suzuki.

Recording identifiers

ISRC
JP92L2409250
CopyrightID (CopyrightChains transaction hash)
0x7aad228521808b38fc2c27299f78bb90237a4e71b8784bcb6a9baec958a544d6
Copyright registration time
2026-07-06T19:55:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:557176acd0b8c5406a12dfdb34e7b30021e7fee0c173e39579d27ced7290e904

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.