Errinho À Toa

Recording by Wanda Sá.

Recording identifiers

ISRC
BRDEP0000091
CopyrightID (CopyrightChains transaction hash)
0x6441e0e2a4821a49f18f40ba894d02d4dd316dd1538da352738fcddd630d24ba
Copyright registration time
2026-06-18T18:12:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:bce6203773dc0fd857e8801be2175093e967a9138dfd8e3e87326fb54ea35e2b

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.