El Marro

Recording by Ulises Orduño.

Recording identifiers

ISRC
QM6DC1969322
CopyrightID (CopyrightChains transaction hash)
0x0f7d6b206bf267fc14a617fd36d19f99ac4c534c7c01837ccc14dd0f9c039ede
Copyright registration time
2026-06-10T22:06:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4c14781ec2123e7d48ff6b1d9fce7168f8d253bec675790eac5ed9a5318ba56e

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.