Querida

Recording by Joaquín Borges.

Recording identifiers

ISRC
MXF550808878
CopyrightID (CopyrightChains transaction hash)
0xb4436851fb38acf73751293c7a208ec857b99e21a16541e0d3c736a000ca2e63
Copyright registration time
2026-07-07T22:13:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ba02eab7772d75e391edd0549f3fe3488e03dbf6e694ef476823ddda3959ade8

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.