Eu Marchava de Dia e de Noite

Recording by José Afonso.

Recording identifiers

ISRC
PT7CG2200597
CopyrightID (CopyrightChains transaction hash)
0x8c1f6ced7d92352b2eb39ce5ef9f691971d9e53aa8cbe497500adf9e742bf978

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:701a12d2e913d18255e7c9df4add0ada14f2b9d6f21eae23b86db12a05c670d9

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.