Sou De Arerê

Recording by Nelson Rufino.

Recording identifiers

ISRC
BR9NU1200036
CopyrightID (CopyrightChains transaction hash)
0xaf8d867a65fc97a9dc3b71f209421ea0853d84e90b9330f78a90d9996a114b86
Copyright registration time
2026-06-19T04:08:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e1c81c29b715356fd8427140711af0ac93c17c2c6a68a7ff702c7805229a2f18

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.