Papo de surdo e mudo

Recording by O Rappa.

Recording identifiers

ISRC
BRWMB0300950
CopyrightID (CopyrightChains transaction hash)
0xfcc2fbb8d1dc949d8bd0bc5a755b01af1aa0617f996badc46c1fd5d09ebcd3b4
Copyright registration time
2026-06-04T10:06:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:df3663e652d30980ebefcb868ef2196229de3590513f51e7b3802e8376aa1671

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.