A un niño llorando

Recording by Francisco Guerrero.

Recording identifiers

ISRC
FR7JM1913030
CopyrightID (CopyrightChains transaction hash)
0x32c910a813f31931a8d1678943ec2b2fba6e6ab61f348522a6470c7b78a0e73f
Copyright registration time
2026-07-31T18:58:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:6759e503061e1201441b92622d6759223f76d5bb6d5d673a94786a60f0b2ca12

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.