Nó de fumaça

Recording by O Rappa.

Recording identifiers

ISRC
BRWMB0101293
CopyrightID (CopyrightChains transaction hash)
0x4b642d8513fd145ce230c74287bbfa0ed704ad5a14a5b21e05920fa906472e66
Copyright registration time
2026-06-08T22:38:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1026d242bb0cdbe4cf6a564f8339fcc864e03247f5d5ca322b3ab534476cf788

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.