Checkmate

Recording by Cordae.

Recording identifiers

ISRC
USAT22212100
CopyrightID (CopyrightChains transaction hash)
0x099a8cc0bcd6be7795e057667afcac3f6fae12dc3b733def13ebcdafc909514b
Copyright registration time
2026-06-07T12:45:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:449df1f4b180dcecb97f53c39d93cc979b9307a5db7596cbe1cab6ca1c12bbc0

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.