Amargurado - Ao Vivo

Recording by Matogrosso & Mathias.

Recording identifiers

ISRC
BXB4B2000004
CopyrightID (CopyrightChains transaction hash)
0x07cb2696c387d87c9c1db4f44316b7febe6c9490ad44729cb77687fb54a4a88d
Copyright registration time
2026-06-06T02:48:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:66c6824bb562e5d7f82f8ef5fd9aace326a75a1352aed41f25b0ccf5d8399283

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.