La Tristeza de Estar Lejos

Recording by Margarita Siempre Viva.

Recording identifiers

ISRC
US7VG2086010
CopyrightID (CopyrightChains transaction hash)
0x50b34870650d0dfc98a34b849e5daf582cc37bdbe631d592853455425221f8df
Copyright registration time
2026-06-09T08:43:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1c8dca37fe4c0bb0410513937c414a0706d2c0bbb1abed22fd48e1897a26a2f3

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.