Ichiban no Takaramono - Original Ver.

Recording identifiers

ISRC

JPE451300536

CopyrightID (CopyrightChains transaction hash)

0x7c8fd650632a1ec6e4362ca5c8474acd9792aa9b36a4c1574902f17e020eb9e1

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T20:22:46Z

Bitcoin block

960459

Canonical record hash

sha256:d9f981943a57ad1242b9908d08733904b6bbe38ff496d3ae1069e4aaafe37c73

• 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.