Recuerdo

Recording by César Oliveira & Rogério Melo.

Recording identifiers

ISRC
BRACT1000072
CopyrightID (CopyrightChains transaction hash)
0x977f5b846f408b996396f238a301cce2f987be2ba7ff74fa748e63645e177a3f
Copyright registration time
2026-07-07T17:11:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c239419e950d43c88de88ea7904dcd9f4277a4204190d45b0e3de76d3afa4a0f

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.