Contrato

Recording by Nanpa Básico.

Recording identifiers

ISRC
QZHZ62294586
CopyrightID (CopyrightChains transaction hash)
0xf2224353c75d6e3fa6a8861c182a4a1452693a76f64f3f6863f4a744627d935d
Copyright registration time
2026-06-04T10:51:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:690c614fb71d11ec58edcc4d500a9a237f69f71cfb9d169682db59339e2e3d0d

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.