Itsuwari no Hibi

Recording identifiers

ISRC

JPPC07850080

CopyrightID (CopyrightChains transaction hash)

0x369f21523e34ad40ae4a1d3765a3c65a9ce5b1112f72d0e0a7a7c54b86c5aee9

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T04:52:22Z

Bitcoin block

960513

Canonical record hash

sha256:5ae85ca82e88a9ca447072f9e1e9a40a30d87a83c289dabceff5f149f49b7926

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.