PUZZLE

Recording by Hiroko Moriguchi.

Recording identifiers

ISRC
JPKI01011750
CopyrightID (CopyrightChains transaction hash)
0x2419430e8a15967a8699811ffcd037081099534b04810b343b493efe8bb1bf26
Copyright registration time
2026-07-07T05:50:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0691ea61678558d862ba4b6e55913d7a0083f3641f73ec1237d915dd29c13e84

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.