Fichas Negras

Recording by Leo Marini.

Recording identifiers

ISRC
US78T0504517
CopyrightID (CopyrightChains transaction hash)
0xa3b4ecdcf43d224f8391ee7f9f9224afed078dba1634b0ffecf258b6bef61e85
Copyright registration time
2026-07-22T07:28:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T08:41:42Z
Bitcoin block
959114
Canonical record hash
sha256:214fe3d0c92f1fecbaa05135bd4c32daf79d0e8ac181c8cd2c336abc5ed0a046

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.