Triste está la gentil dama

Recording by Antonio de Contreras.

Recording identifiers

ISRC
NLP732495009
CopyrightID (CopyrightChains transaction hash)
0x3a466869df88d367b25b02640133b9ea9a34ba26758ff01336a9b42d59351270
Copyright registration time
2026-07-07T03:26:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d2f55518908860e84ce8136e35f679051473a31a92de980bba5884c7a007f68c

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.