Avenida De Angola

Recording by José Afonso.

Recording identifiers

ISRC
PT7CG2100518
CopyrightID (CopyrightChains transaction hash)
0xe0b822e28021bcea1eafbfabd4327e7ada147ea9c9ef8f9e55780eb72e4096ca
Copyright registration time
2026-07-06T02:12:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T09:18:01Z
Bitcoin block
957020
Canonical record hash
sha256:b4915dacb4c7780c2bc59a49b9dc8ac30d150b5637cd5600e37ced796e399bcb

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.