KO

Recording by Grupo Sigma.

Recording identifiers

ISRC
USA2P2212228
CopyrightID (CopyrightChains transaction hash)
0x3e96edaaf4f44e97e27f8867a643f262467a2fa2e07f72fea67a58037368a702
Copyright registration time
2026-07-07T14:21:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:4269eed9c049af3d0f0b0c18aa743597be7d0544a31f476aa86f8bd66ed2ec60

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.