いいのに

Recording by sumika.

Recording identifiers

ISRC
JPU901800778
CopyrightID (CopyrightChains transaction hash)
0xaf0c78e95be2d819d1c2b77e2f51a9a7271b4ea9bff5dffa65c9667ed5822c31
Copyright registration time
2026-06-27T09:40:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:bd4097738fb545c63e01c2aff81459f61e1ffe574c7751f57fe901c68712c2a4

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.