María la O

Recording by Ernesto Lecuona.

Recording identifiers

ISRC
USSM10206766
CopyrightID (CopyrightChains transaction hash)
0x6eb00012e6d29f05277a4f7c79e665eeaab7cccf56f96d7df16d374c573fb99c
Copyright registration time
2026-06-23T00:08:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:74ce0cc50124a2a916ec9d6d41d24cd7324b18fd584ae14e89fbf716174ca8a8

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.