Máquina do Tempo

Recording by Ultramen.

Recording identifiers

ISRC
BRRRB0201590
CopyrightID (CopyrightChains transaction hash)
0xdf8abb2a91b245827e907baf4000ab41cfb65af9886d6b951aea1ace7175c7e1
Copyright registration time
2026-06-09T10:53:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:677c0c7546d3e92f472a02ae6b7aca301df3090052c2972d4109be2dc11babb2

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.