Última Canção

Recording by Martinha.

Recording identifiers

ISRC
BRPGD9500666
CopyrightID (CopyrightChains transaction hash)
0xc4f32d386691e157cdeb5879a511416440f55eca1f456136bf34c5b8dd2cb872
Copyright registration time
2026-06-05T22:47:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:657284d2795d52156148c48965f3c1b3547a6316845bbd4864121863457e6e1d

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.