Best friend

Recording by 加藤達也.

Recording identifiers

ISRC
JPI101402015
CopyrightID (CopyrightChains transaction hash)
0xfa2966a1f615185c34bcc164af25adc28716fdde91ecb4603ab3954af66e8c88
Copyright registration time
2026-07-31T14:46:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:7de5077ed702561fbc3a5f22033ee4e52ce6a3cb60ede3df5f24614f6703ad11

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.