Prefiero Perder

Recording by Conjunto Rio Grande.

Recording identifiers

ISRC
QM4TX1754102
CopyrightID (CopyrightChains transaction hash)
0x497587b0971973510e44511179733fa341be0b0a49247e9d2fdd0a8921f3ae9e
Copyright registration time
2026-06-04T12:51:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:1f04df3aea8b4ba5e81363cfa4f17662f1eb225e29683e0ee45d4c8537ef5133

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.