Tempo Sem Tempo

Recording by José Miguel Wisnik.

Recording identifiers

ISRC
BRVWN1100024
CopyrightID (CopyrightChains transaction hash)
0xbf19365e672ae800df323120ea5967b846463a55671f35342af685cb73ec3f47
Copyright registration time
2026-07-31T06:22:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11Z
Bitcoin block
960360
Canonical record hash
sha256:6ddf4c01b3ab8b9e019e24b9c85755f6d3e77e59d9bd841704d3152c8995642f

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.