A Última Canção

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BR9461800002
CopyrightID (CopyrightChains transaction hash)
0x681b0df06594d4025c16602f8d782a28bcbe09e85f17411b5eb8fbf2f7238c03
Copyright registration time
2026-06-05T18:47:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:efc7d60d656f3f6f9fdd2d875888fc6b73ff547037685ae0c8ab3809cbb14ba0

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.