O Barquinho

Recording by Walter Wanderley.

Recording identifiers

ISRC
USF096725030
CopyrightID (CopyrightChains transaction hash)
0x39366e9bcb9a58c3ff64cf7eca4279ae52d64aa8cf795ce9fccef45e3b6211ee
Copyright registration time
2026-06-08T11:41:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:7b81292bcdbcfb152490e93a8887c4daf14eb797ca50df793664ac32b2c6979a

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.