Dia Funçon

Recording by Nancy Vieira.

Recording identifiers

ISRC
PT6AH2300080
CopyrightID (CopyrightChains transaction hash)
0x9bba019151d67ee043a1d26b7b0f92774bd501783d9fbae96dc8f94ee1033717
Copyright registration time
2026-07-06T21:25:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:7455fb51ca911f59c7d34afbed4aab6f4640862003bdee04d9247a29d390c890

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.