Ferro de Marca

Recording by Os Dois Mineiros.

Recording identifiers

ISRC
BRGDT1700124
CopyrightID (CopyrightChains transaction hash)
0x3cbc66fafa86ed0deb3897cada6033ce23c61a291264724cbb74126a4df4fbd3
Copyright registration time
2026-07-07T10:43:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8d4a61a1dadf9f275842df09d62e43f4a36f16a6c3aefcc6435e0039ee00d0ec

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.