Cantigo A Natureza

Recording by Sobrinho.

Recording identifiers

ISRC
BREMI0400386
CopyrightID (CopyrightChains transaction hash)
0xe1644a7294ad94add9532442db2f41fba4670767e7b62d67f05f5ff542583ddd
Copyright registration time
2026-07-07T15:30:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:846ad76a4ee35c4260367bac0f162ecb2a941659a6f6c5ae4dc4a1c8da11e7f6

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.