Um a Zero

Recording by Pedrinho Mattar.

Recording identifiers

ISRC
FR6V81989366
CopyrightID (CopyrightChains transaction hash)
0xdbfc9c96337a29b590d6cfaa1b972c8d0fd597909082fd05674732338338aabd
Copyright registration time
2026-07-22T17:45:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T18:47:29Z
Bitcoin block
959163
Canonical record hash
sha256:f06efd84d59f04dc88666d4b988cc55c76fe274fd9cfff53f00bb0f88ebc275c

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.