Não Preciso de Você

Recording by Eduardo Costa.

Recording identifiers

ISRC
BXEC12300115
CopyrightID (CopyrightChains transaction hash)
0x2ab4ba965165e2d18a9baae53e321aff1b50af07f5bd1057aef850b73aa1f7d3
Copyright registration time
2026-06-10T17:45:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d40f367611de0d5ee1513fd315f89bb7f2bf2972ef6f6dc81accb8cf67e3c3b8

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.