Eu Perdi / Hoy Perdi

Recording by Tchê Barbaridade.

Recording identifiers

ISRC
BRACT0400677
CopyrightID (CopyrightChains transaction hash)
0xd0f4fab5a03389cab547fbee27b330aa0d2aaeb5bd5d700eefa53036cf2fcbd7
Copyright registration time
2026-07-07T17:11:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:cb2b8cedcdab4381248811198ea0090e5a86b258deefad25bb0d087a4ffcd8a6

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.