”えがおのおくりもの”

Recording by 吉武千颯.

Recording identifiers

ISRC
JPD602400646
CopyrightID (CopyrightChains transaction hash)
0xd7b11fbad9df276e9fa53c5bbe97d0a137901f7f0e3916dc42ebf2749badebb9
Copyright registration time
2026-06-25T20:15:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:815d5f27e29d46735e967ab7d854ee628b30d39904cf02a5a380b1526bf65333

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.