Portela Na Avenida

Recording by Clara Nunes.

Recording identifiers

ISRC
BREMI8100300
CopyrightID (CopyrightChains transaction hash)
0xcd1daed5c0e2ad3965631a1035bfbdbc3c36c47d892c6a75d57d0fe12a182732
Copyright registration time
2026-06-07T15:35:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1373ab24590f0b2f1e12f8a35734244b2708228d42d02c515ebd1c41dc40d223

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.