Matilde Alfaro

Recording by Los Hermanos Banda De Salamanca.

Recording identifiers

ISRC
USJ3V1038530
CopyrightID (CopyrightChains transaction hash)
0x9ed78adb25f1b82ce2a8264b0ba5e8e4db50a74488f3c2bfedd9beef8101f6d2
Copyright registration time
2026-07-07T11:26:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:69f53ba8bd7839790d6c0a8f9c11db2a5da492091fdc40266358d33b33bf1154

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.