Ópio

Recording by VELHA GUARDA DA PORTELA.

Recording identifiers

ISRC
BRAPI0700254
CopyrightID (CopyrightChains transaction hash)
0x056932ef593f6a8f20eb535eeb4e04c531c6a626eb874de8c5e4bced9581fd65
Copyright registration time
2026-07-29T20:42:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:360e68afd9626418190f3d06e59e90da3c4d5bdbde313da50f1cb19d4b56b022

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.