Sunny Day

Recording by 福來.

Recording identifiers

ISRC
FR2X42366056
CopyrightID (CopyrightChains transaction hash)
0x55bbc52a35d0ad58539cb90d93a6243062ee7807f3140c2525d42b275a7d81b0
Copyright registration time
2026-06-10T14:40:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:47562b048bed4677e215309f59d7db000503a0bdb4b1e81778d133c0cd126ad6

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.