De Quem Foi a Traição

Recording by José Afonso.

Recording identifiers

ISRC
PT7CG2300678
CopyrightID (CopyrightChains transaction hash)
0x466a9fed36510d7d59d063485ea228639e7764ea2acce72acb0cc2050bc8eb35

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:545bce5be050a70d827700f1ae6d5bc790823b2d8f8f8a295173ab3eccf19be0

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.