Tempo rei

Recording by Gilberto Gil.

Recording identifiers

ISRC
BRWMB9701932
CopyrightID (CopyrightChains transaction hash)
0x2475ca9404b2044658e3cbcdfa863dd508a96dafe34dfa6ccd891841765095b6
Copyright registration time
2026-06-04T06:05:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:01fd491615a486ed2826d4f962509e53db2150ae250c03cd232f89420a835537

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.