Ah! Marília que tormento

Recording by Marcos Antonio Portugal.

Recording identifiers

ISRC
USB8U1703340
CopyrightID (CopyrightChains transaction hash)
0x8c26c7657a09275296e233f65881b54e18352c07fc1a6a7d0a7e3aa9b2612a14
Copyright registration time
2026-07-07T09:37:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:43b77c32d17ae359394c942d4b7f5065fcb288006521b64daa24b37ab26e3171

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.