Sons da Natureza

Recording by João Arruda.

Recording identifiers

ISRC
BRTRB2407496
CopyrightID (CopyrightChains transaction hash)
0xb75cbf07dfbe2d95e28f6c391b529b4901ecde5395b87cce0b97266f64d2d220
Copyright registration time
2026-07-31T08:06:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:707df861b9d9fddddf0ac69df4fd97dc298f7c296a7ecc060a3d80374a62ae73

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.