Eu Perdi / Hoy Perdi

Recording by Tchê Barbaridade.

Recording identifiers

ISRC
BRACT1601821
CopyrightID (CopyrightChains transaction hash)
0xf9f21c327a925dc94b4a0fd113968dfc3d7f2afa794602617e6029783416d8a4
Copyright registration time
2026-07-29T14:34:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:3782547d1c5ec2d5c09a508894515e35c83252f15de499e9307db399e7911cdd

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.