One Summer's Day

Recording by 乃紫.

Recording identifiers

ISRC
TCJPW2361844
CopyrightID (CopyrightChains transaction hash)
0x493db7776202cbd139f0ea3abf58f4049807520c186b1b6f2fbf511bb2f8cbc8
Copyright registration time
2026-06-19T03:12:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7f2a4ca4b6ac94fdb2bd334d69c127d513b92786ca0b7dae0620e0b47de6c661

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.