Errei Sim

Recording by Alaíde Costa.

Recording identifiers

ISRC
BRDEP2500082
CopyrightID (CopyrightChains transaction hash)
0xe112afbcb27f524e95cefba3541bda1f741e19723ff29ed75b40c979a67070fa
Copyright registration time
2026-06-19T04:41:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:39251200706925716c910a54f5a232f7d2dfa1adf52796b21fc8fb122e80aa9b

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.