Carta A Miguel Djéjé

Recording by José Afonso.

Recording identifiers

ISRC
PT7CG2100521
CopyrightID (CopyrightChains transaction hash)
0x4fa675cc1daed9dc9fad7e05266c4f1980a9cf2bb8bbbe1d12b412f918201c9a
Copyright registration time
2026-07-06T07:05:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:7284b33fb4de6ea0125aa3de3b09cbaf0c605662257a6dbf6e2b7b8657a6b4c8

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.