Querida amiga pena

Recording by Niña Polaca.

Recording identifiers

ISRC
ES6062416801
CopyrightID (CopyrightChains transaction hash)
0xf002cae4e39bf2801ea87291216d0d08490cb16a7b5754c47845eba598140b75
Copyright registration time
2026-07-07T12:41:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:76a9a234f5490beebc7da5e561c63055b107e6e6aa699e2454b352a7a1ba5de2

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.