A Saudade de Ti

Recording by Tony Carreira.

Recording identifiers

ISRC
PTFA11201799
CopyrightID (CopyrightChains transaction hash)
0xd89a1a623cb15dc91c2e23a8f348a4ed4efb69a0146af09bfc2c6a26ebda7f4e
Copyright registration time
2026-06-05T20:50:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:02df890c385ea0e7b1a0985e133b0b49d6f63e4cf8dd7c47de20b26dd0933a08

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.