Sino de Belem

Recording by Bibi Ferreira.

Recording identifiers

ISRC
BRPUI1200444
CopyrightID (CopyrightChains transaction hash)
0xc9785edda60332c063955488442355d4db5c8a8da835cd6f302287f28942cf7a
Copyright registration time
2026-07-30T13:39:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:c39fc10cfb352b623fff9036f8f0a4b5d88390144ba35c0dc8b5830125fe7f9a

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.