Maria la O - Voice

Recording by Ernesto Lecuona.

Recording identifiers

ISRC
USSM10207171
CopyrightID (CopyrightChains transaction hash)
0xf2cb9e750e24446d735794a0afc09e4c129f2ff894127fe6e745c03cda6aa58c
Copyright registration time
2026-07-31T21:33:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:acea701facd499e8e33e2138aa335628252c46b89ef837e1988e3fcf5571bbd8

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.