Que bonita es la mancha

Recording by Julio Madrid.

Recording identifiers

ISRC
USA371035804
CopyrightID (CopyrightChains transaction hash)
0x0597a8299fff207672badeae274190e13b90977d3c7d62be37d8114d5a205b78
Copyright registration time
2026-06-21T14:01:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d0a9758a1639775804039223d998f7c9be3891fe1071d97a0b70ceff6e8be614

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.