Maria La O

Recording by Caetano Veloso.

Recording identifiers

ISRC
BRPGD9400308
CopyrightID (CopyrightChains transaction hash)
0x3573445f5d408b0d87fbf972b7a14b854f52021f7276a85e2172bc037ecfd02d
Copyright registration time
2026-06-08T02:32:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:a73920d231a94697a314684da264f99eb3af564a740c739747e462e25ee07442

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.