Contra Mim

Recording by Robson Nascimento.

Recording identifiers

ISRC
QZEQU2201549
CopyrightID (CopyrightChains transaction hash)
0xf4f84c43e8d76e59707973bb7d5d1065509875f0f10ce1257e90676370392098
Copyright registration time
2026-07-30T23:42:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:50ed0b58262770d33c0c6e004fd86310946f91b3d06e094dd772e7418906770c

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.