Boyhood

Recording by Kotaro Nakagawa.

Recording identifiers

ISRC
JPVI00655750
CopyrightID (CopyrightChains transaction hash)
0x658b951ef3effb2ba60ea92657630c9b9e0d9a2cfce77095e6594f59ca816323
Copyright registration time
2026-06-21T19:51:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:343cea9c56a8f7afe42f96f0631397d1b99c121b7956449033a92677ba0b0ad0

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.