La Carta

Recording by Grupo Zaaz.

Recording identifiers

ISRC
USZUP1013995
CopyrightID (CopyrightChains transaction hash)
0xfc665b3663b8668e6a9353f37a61299b72a5226e2955b179aadd52251a1a5e26
Copyright registration time
2026-06-24T20:12:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d5c4ca6740167742140e8a02f454e8047be47eb77933dc7176a0985a9752c02c

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.