Dois Igual

Recording by João Felipe e Murillo.

Recording identifiers

ISRC
QZNJX2336429
CopyrightID (CopyrightChains transaction hash)
0x28cd20fd88b23803f45ee5ed309dfe1a8ca219924197f44161951681c11c2c53
Copyright registration time
2026-07-30T15:14:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:e35ef695ec51f9a00b60104cab5f5c74bddedb1471acc8b15ca5b21ebd0cea9e

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.