María Bonita

Recording by Agustín Lara.

Recording identifiers

ISRC
MXF019800243
CopyrightID (CopyrightChains transaction hash)
0xb12c3c4ee1aef5fca16f9b8365916ed78e9820256447fadc85041adb6d6b66f8
Copyright registration time
2026-07-31T01:48:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:636e1931ae61a37af3f42a166a55740c0f5ef54435adae3c82dc5df7d08818e2

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.