Por Que Chora a Tarde

Recording by Antonio Marcos.

Recording identifiers

ISRC
BRBMG7400024
CopyrightID (CopyrightChains transaction hash)
0x9c28b1f7b5c6263fcb41bf354dfc5a6e89d186dd1fae8b1964f8f10ca76ad10d
Copyright registration time
2026-06-06T18:15:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:bfef5d833a0e798c602e9832dea4c7b9015cea493b85a4b1bb64b952487f3bd1

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.