Requiem por una Magdalena - Versión 2

Recording by Marta Quintero.

Recording identifiers

ISRC
ES5160700806
CopyrightID (CopyrightChains transaction hash)
0x52a996b65ab686d38fa87bec6c5ad03a5099ad828bac14e1665de392cec7f23b
Copyright registration time
2026-07-06T21:46:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7628c7f8b30705486ff37c18f2efca1b7620cbc173f430f25e7d35f0561bacfd

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.