Atras Da Porta

Recording by Elis Regina.

Recording identifiers

ISRC
BRMCA7200187
CopyrightID (CopyrightChains transaction hash)
0x990edfa5574cfdbeda621649c0c79f9a0433748a4b1af2b630de996217021fd6
Copyright registration time
2026-06-17T21:52:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f7e60e21d91ac4a3fb96e44fcd2ca714562a95692302c5afd706efe8cd4909b4

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.