Mas Porquê de Eu Ser Assim

Recording by Ricardo Ribeiro.

Recording identifiers

ISRC
PTCN10400085
CopyrightID (CopyrightChains transaction hash)
0x0acaa272c1e74c8a20e511e2215920069e91b5dd1c27415be55c2de71a131487
Copyright registration time
2026-06-10T08:01:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:41356a6e2061c47e59e644abecd1d046965be8b5dcca259584d608422e8fab61

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.