Maravilla: "Romanza de Elvira"

Recording by Maruja Vallojera.

Recording identifiers

ISRC
ES5279800903
CopyrightID (CopyrightChains transaction hash)
0x9f9768dad99bef6dd5c9994af36c0e512d09d0c94cad42dc57e6a8f6181c7c8c
Copyright registration time
2026-07-30T09:23:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:57:33Z
Bitcoin block
960240
Canonical record hash
sha256:19734c32ac51b56a0e17697935d5e2eecab2a4ffde1cd57856440ca653de69f3

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.