Smile

Recording by Kie Katagi.

Recording identifiers

ISRC
JPZ921515847
CopyrightID (CopyrightChains transaction hash)
0xd4a4da221ad7c036fe73f4be81a4de092587d074841ffee6340e24739d5e7632
Copyright registration time
2026-06-19T21:06:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2aad511b9c27de3947f35bd82d85894fc80dfe86888f531f83652a6587388ed7

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.