Tempos Modernos

Recording by Os Dois Mineiros.

Recording identifiers

ISRC
BRGDT1100013
CopyrightID (CopyrightChains transaction hash)
0xaf7a18757d50179a6a2b033e144a4ba2af05e82e66456a305a791257d2b82a38
Copyright registration time
2026-07-30T02:11:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T02:30:29Z
Bitcoin block
960199
Canonical record hash
sha256:08f388788050148884ea39ee43c0f60c3d2a7bf0361318e83608ee59cfbf8c31

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.