ぼくの朝

Recording by Masaharu Fukuyama.

Recording identifiers

ISRC
JPBV09400992
CopyrightID (CopyrightChains transaction hash)
0x2d86b1d936a498425527ba16144cb7723936b695104b44e65d7c67354d6d503c
Copyright registration time
2026-06-25T18:11:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:34:59Z
Bitcoin block
956349
Canonical record hash
sha256:69b0d7423ddf85f0fafd64d6bfebb751ebd2cb78247f4b517a99c60828856115

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.