La Carta

Recording by Eugenia Leon.

Recording identifiers

ISRC
MXF061300022
CopyrightID (CopyrightChains transaction hash)
0x5b5a0c31500d93b2dbf68a8e5a412912faee6343e9f7e247284cb0ee0edeaf81
Copyright registration time
2026-06-27T05:06:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6c0b6b3c32f8af70a9fdfc4629bdd0af34085cf4be2f1e560baef0a9f8c3a604

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.