Tempo de Ouvir o Chão

Recording by Guilherme Held.

Recording identifiers

ISRC
BR4GH2000003
CopyrightID (CopyrightChains transaction hash)
0xb75beb8234a81fcae63396bbf05cb0e87b4dabe590514307613586a47e80f177
Copyright registration time
2026-07-07T09:11:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a3fa614208ccc11ff2d79795204d01864847b413911858958b993ae96c32034f

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.