Ivan Cossa

Recording by King Cizzy.

Recording identifiers

ISRC
ES71G2117075
CopyrightID (CopyrightChains transaction hash)
0xb2ae80010ac1e14472a2c8d077c192cd51b30dfced4a296e3aa24f6e63ecfa7e
Copyright registration time
2026-06-21T10:21:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7074449c5fed20ec60f0e8c6e1772b5b12c8733d7ce2fec1afed046c127f11a8

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.