La Carta

Recording by Maria Jose Quintanilla.

Recording identifiers

ISRC
USJ3V1431423
CopyrightID (CopyrightChains transaction hash)
0xd3459076d94e5d792ffc54870d3e6da3d36d4d6b453bdae32cf6216de75dc913
Copyright registration time
2026-08-01T02:01:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T02:22:04Z
Bitcoin block
960497
Canonical record hash
sha256:0df0391ce9a3cee77ca99a1995faa0178d418c13049311e26801315ef9f23360

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.