Activa Tu Corteza Auditiva

Recording by Catalina Hoffmann.

Recording identifiers

ISRC
QZNJV2123540
CopyrightID (CopyrightChains transaction hash)
0x743c525559b36385fbbd4b0a5d7bdcc1ffa6c22e2993883b0589b1fb512fb93a
Copyright registration time
2026-06-20T18:19:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:afe2467779850a6a31ea77f6ca1453931ddf3db939759f13fe75977770e25e6d

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.