Esferográfica Imperfeita

Recording by Rildo Vieira.

Recording identifiers

ISRC
BCDQH2500002
CopyrightID (CopyrightChains transaction hash)
0xc8a47f0e6d451dd87011ae90836313f272634369154901b1f5d5c79885bf2a34
Copyright registration time
2026-06-06T05:20:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:a3020209623edd5dea72d855939dae5e7607008497e1e87ece78139417e343db

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.