La Negra Margot

Recording by Oscar D'León.

Recording identifiers

ISRC
USSD10604280
CopyrightID (CopyrightChains transaction hash)
0x6b049bfd65de35e77fd24b50314052d9d7b0d95e81d0b8501da349a75e52ddd8
Copyright registration time
2026-06-19T08:48:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:af213c54395b67d4f1bc3885f338bff56fad844719bd907cff80a56134f92f4e

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.