SLEEP

Recording by KAFUNÉ.

Recording identifiers

ISRC
JPU902401600
CopyrightID (CopyrightChains transaction hash)
0x258c0b20d25ba29ac16830fb4947189fb554eb4f29932afc293e4ff3d3522f60
Copyright registration time
2026-06-25T06:19:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9461f727e6b0fcf2ee258c747bd75a55f4615657796e5225d4cd9fcb76cd2f3e

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.