Última Canção

Recording by Paulo Sérgio.

Recording identifiers

ISRC
BRC4M1904024
CopyrightID (CopyrightChains transaction hash)
0xb77045d68b189d7009389651eebe0c62be77b93b4dfc0965c7c57833200c7c2e
Copyright registration time
2026-06-04T14:59:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:122de4e6c82c52dfc66d5b9c56a7a61e07a15d4025c22accd6a46fca55a04dda

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.