Nós Dois

Recording by Flavio Leandro.

Recording identifiers

ISRC
USCGH1762231
CopyrightID (CopyrightChains transaction hash)
0x82e22ea85586d0c4fae4cd356be118d529c53830a412aa7407cf3d752d88418c
Copyright registration time
2026-06-08T15:47:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:413cdcf45817b7e4d717c4e98387c7a20136ab48df06cc1910de4e6f51b16420

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.