Sanfona Que Chora

Recording by Cia Gaúcha.

Recording identifiers

ISRC
BRVR10600130
CopyrightID (CopyrightChains transaction hash)
0xc444862073b584728cfd2fee1b6d26e76cbf0d4b50b0e93591a0374bb391540c
Copyright registration time
2026-06-23T14:04:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e5c702bcf44732dd81152d2d0e90f180063a6302023351946db47a554fae09c9

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.