A Flor e o Espinho

Recording by Nelson Cavaquinho.

Recording identifiers

ISRC
BRBMG7200096
CopyrightID (CopyrightChains transaction hash)
0xc430a3a482ae59d80f7d9bf3e81c0b507d7327167ef61e31464c28f261078d47
Copyright registration time
2026-07-30T15:12:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:f4d435410edcb25cb1ac89f51c70bcee42f442569d7ab78669ee83617af4d8cd

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.