4'21

Recording by Davi Sabbag.

Recording identifiers

ISRC
BR5371900009
CopyrightID (CopyrightChains transaction hash)
0x0983ee4c1d92a6362011f6a06afccd604c5c1fe96c3ccd2f9541a84376043071
Copyright registration time
2026-07-29T10:41:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37Z
Bitcoin block
960095
Canonical record hash
sha256:8a2890b9b20464568a8896f611dff42976d56e19408ece4d173cac3d829b53df

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.