Desafio

Recording by Dori Caymmi.

Recording identifiers

ISRC
BRUM71902013
CopyrightID (CopyrightChains transaction hash)
0x1aef28967ecdd944939d102c46ced7daa49fc7d2679a6cd5a373e0053656096c
Copyright registration time
2026-06-24T18:58:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9bed2252a0f2adcb906a97bc74846e2d2d791e0020186680fe3e039aae67e04d

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.