El Adiós a Don juan

Recording by Dupla Real.

Recording identifiers

ISRC
QM3DF2174471
CopyrightID (CopyrightChains transaction hash)
0x27ea99ac07c126153634e2ed54aeb80d11de25541bce024c4558225361bdef42
Copyright registration time
2026-06-18T06:29:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a4b1619c5b0f978773acfff6550e1530f59117fba1d7194b894ee2091b355d1a

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.