rem.

Recording by sumika.

Recording identifiers

ISRC
JPZ921506325
CopyrightID (CopyrightChains transaction hash)
0x9d50c3bc95a4507d24f75b81ae543f64cc3ce20449724838c9731346e524dfe7
Copyright registration time
2026-06-07T21:10:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:1ca2d63827db7dc247c6e05fc64366783ff117e5ad9d74bb5d9cc05e3061ff44

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.