Chimarrão da Saudade

Recording by Grupo Cordiona.

Recording identifiers

ISRC
BK6712400018
CopyrightID (CopyrightChains transaction hash)
0x577fd7193dc548dc0d6107349dbaaa01c240918063024ee847403cc7f56880d0
Copyright registration time
2026-06-10T10:03:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:9a297059cbade46d9d876f43e1194e2a8dbff8de7aa139ec34b0489ec3691267

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.