Quem Saberia Perder

Recording by Sa & Guarabyra.

Recording identifiers

ISRC
BRELD0500091
CopyrightID (CopyrightChains transaction hash)
0x595d11cadae64215f6b3ed1a881cb2775c3ab5c7dbde7a8227c1fb5b24c772e8
Copyright registration time
2026-06-06T04:58:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:2e5a62a8e78d42f934a34aaef0e107b4a5b607e48013f9b5781845312860803f

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.