De Como Cantar Um Flete

Recording by Joca Martins.

Recording identifiers

ISRC
BRUSA0300211
CopyrightID (CopyrightChains transaction hash)
0x2e58db1385583a0a488d558a36b97ca994dc4e3faa20388fe189e7d55b93519b
Copyright registration time
2026-07-04T14:20:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:756b442c384a396021327f88e4c21928e435759d3642e29ac2a153fc7d8a2abe

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.