Un Dia

Recording by Luis Fernando Borjas.

Recording identifiers

ISRC
QM7282586263
CopyrightID (CopyrightChains transaction hash)
0x4b2f9cb603dc561b0ef617350a13157033e86622bdf0210b30df08c24cdd5fb4
Copyright registration time
2026-06-12T01:31:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:171298f8fefd187481022f10476487083f942e2ad779c4066a5976d252364c20

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.