Olá, Então Como Vais?

Recording by Paulo de Carvalho.

Recording identifiers

ISRC
PTUM71700156
CopyrightID (CopyrightChains transaction hash)
0xe6f9e5c41927731573aea0966eed32bf65e8a5cf90fad354198d530c544548eb
Copyright registration time
2026-06-25T04:46:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:505a3941997b83cce188912bec3177b79f4fa718e60b556faced1763e4dde5ba

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.