It's a piece of cake

Recording by にしな.

Recording identifiers

ISRC
JPWP02400354
CopyrightID (CopyrightChains transaction hash)
0xa63ac32dec1dcdc366efb019d533ba14030ab5b4828867cafee8db8162e7452b
Copyright registration time
2026-06-05T11:01:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:d3c776ad3092dd0cd1fdc5bcab2763345462fe31f5bbb593504e1c21d0316e13

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.