O lutador - The Boxer

Recording by Leandro & Leonardo.

Recording identifiers

ISRC
BRWMB9600263
CopyrightID (CopyrightChains transaction hash)
0x9c7fd07e57411afa1786c493c56804e656abd6d7caf5970ee4aee20f32a9013d
Copyright registration time
2026-06-06T08:36:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:e11e02ccffd464b539ac87a9c35a8cafbf37498519e25f516efe38e6d70c3512

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.