El Retrato - Con Tololoche

Recording identifiers

ISRC

QMBZ91510773

CopyrightID (CopyrightChains transaction hash)

0xcbce03e38ad6003ed0e46eff42b7cb263cdde81b1c2f3e21ef42a731420f3da2

Copyright registration time

2026-06-18T03:16:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:30:09Z

Bitcoin block

956302

Canonical record hash

sha256:27a513b7ddd97b9f6d399802ee7d45d610d8e12ad87742749936480635fe32b6

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.