De Sal de Linguagem Feita

Recording by José Afonso.

Recording identifiers

ISRC
PT7CG2300683
CopyrightID (CopyrightChains transaction hash)
0xe7cc57fb23899409f428b2b71e8ed184c2284b6ec2ac720168e30cc0dcf40c86

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:06:57Z
Bitcoin block
960404
Canonical record hash
sha256:6bf4137c1ad03d45a7fde62f9e0423c5858b6ae4300727af390cb5844bf54462

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.