Borboleta Cega

Recording by Sandra De Sá.

Recording identifiers

ISRC
BRUKM1600046
CopyrightID (CopyrightChains transaction hash)
0x412c3cd6b876f5d44b6ac2d7abaebb0a55378a62e0f88537f1a3e7954b04086e
Copyright registration time
2026-07-06T23:50:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e9e90d8e3b0447d26b1bd02ba4b11a159640952af4c89be2774b3622e5cea29c

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.